1997577900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{727}}^1$

素因数の和:861

約数の個数: 216

約数和(自身を含む): 6506083584

約数和(自身を除く): 4508505684

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 43, 45, 50, 60, 71, 75, 86, 90, 100, 129, 142, 150, 172, 180, 213, 215, 225, 258, 284, 300, 355, 387, 426, 430, 450, 516, 639, 645, 710, 727, 774, 852, 860, 900, 1065, 1075, 1278, 1290, 1420, 1454, 1548, 1775, 1935, 2130, 2150, 2181, 2556, 2580, 2908, 3053, 3195, 3225, 3550, 3635, 3870, 4260, 4300, 4362, 5325, 6106, 6390, 6450, 6543, 7100, 7270, 7740, 8724, 9159, 9675, 10650, 10905, 12212, 12780, 12900, 13086, 14540, 15265, 15975, 18175, 18318, 19350, 21300, 21810, 26172, 27477, 30530, 31261, 31950, 32715, 36350, 36636, 38700, 43620, 45795, 51617, 54525, 54954, 61060, 62522, 63900, 65430, 72700, 76325, 91590, 93783, 103234, 109050, 109908, 125044, 130860, 137385, 152650, 154851, 156305, 163575, 183180, 187566, 206468, 218100, 228975, 258085, 274770, 281349, 305300, 309702, 312610, 327150, 375132, 457950, 464553, 468915, 516170, 549540, 562698, 619404, 625220, 654300, 686925, 774255, 781525, 915900, 929106, 937830, 1032340, 1125396, 1290425, 1373850, 1406745, 1548510, 1563050, 1858212, 1875660, 2219531, 2322765, 2344575, 2580850, 2747700, 2813490, 3097020, 3126100, 3871275, 4439062, 4645530, 4689150, 5161700, 5626980, 6658593, 7033725, 7742550, 8878124, 9291060, 9378300, 11097655, 11613825, 13317186, 14067450, 15485100, 19975779, 22195310, 23227650, 26634372, 28134900, 33292965, 39951558, 44390620, 46455300, 55488275, 66585930, 79903116, 99878895, 110976550, 133171860, 166464825, 199757790, 221953100, 332929650, 399515580, 499394475, 665859300, 998788950, 1997577900]

約数ペア:

[(1, 1997577900), (2, 998788950), (3, 665859300), (4, 499394475), (5, 399515580), (6, 332929650), (9, 221953100), (10, 199757790), (12, 166464825), (15, 133171860), (18, 110976550), (20, 99878895), (25, 79903116), (30, 66585930), (36, 55488275), (43, 46455300), (45, 44390620), (50, 39951558), (60, 33292965), (71, 28134900), (75, 26634372), (86, 23227650), (90, 22195310), (100, 19975779), (129, 15485100), (142, 14067450), (150, 13317186), (172, 11613825), (180, 11097655), (213, 9378300), (215, 9291060), (225, 8878124), (258, 7742550), (284, 7033725), (300, 6658593), (355, 5626980), (387, 5161700), (426, 4689150), (430, 4645530), (450, 4439062), (516, 3871275), (639, 3126100), (645, 3097020), (710, 2813490), (727, 2747700), (774, 2580850), (852, 2344575), (860, 2322765), (900, 2219531), (1065, 1875660), (1075, 1858212), (1278, 1563050), (1290, 1548510), (1420, 1406745), (1454, 1373850), (1548, 1290425), (1775, 1125396), (1935, 1032340), (2130, 937830), (2150, 929106), (2181, 915900), (2556, 781525), (2580, 774255), (2908, 686925), (3053, 654300), (3195, 625220), (3225, 619404), (3550, 562698), (3635, 549540), (3870, 516170), (4260, 468915), (4300, 464553), (4362, 457950), (5325, 375132), (6106, 327150), (6390, 312610), (6450, 309702), (6543, 305300), (7100, 281349), (7270, 274770), (7740, 258085), (8724, 228975), (9159, 218100), (9675, 206468), (10650, 187566), (10905, 183180), (12212, 163575), (12780, 156305), (12900, 154851), (13086, 152650), (14540, 137385), (15265, 130860), (15975, 125044), (18175, 109908), (18318, 109050), (19350, 103234), (21300, 93783), (21810, 91590), (26172, 76325), (27477, 72700), (30530, 65430), (31261, 63900), (31950, 62522), (32715, 61060), (36350, 54954), (36636, 54525), (38700, 51617), (43620, 45795)]