7821450

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1$

素因数の和:229

約数の個数: 144

約数和(自身を含む): 25998336

約数和(自身を除く): 18176886

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 25, 26, 30, 35, 39, 42, 45, 50, 63, 65, 70, 75, 78, 90, 91, 105, 117, 126, 130, 150, 175, 182, 191, 195, 210, 225, 234, 273, 315, 325, 350, 382, 390, 450, 455, 525, 546, 573, 585, 630, 650, 819, 910, 955, 975, 1050, 1146, 1170, 1337, 1365, 1575, 1638, 1719, 1910, 1950, 2275, 2483, 2674, 2730, 2865, 2925, 3150, 3438, 4011, 4095, 4550, 4775, 4966, 5730, 5850, 6685, 6825, 7449, 8022, 8190, 8595, 9550, 12033, 12415, 13370, 13650, 14325, 14898, 17190, 17381, 20055, 20475, 22347, 24066, 24830, 28650, 33425, 34762, 37245, 40110, 40950, 42975, 44694, 52143, 60165, 62075, 66850, 74490, 85950, 86905, 100275, 104286, 111735, 120330, 124150, 156429, 173810, 186225, 200550, 223470, 260715, 300825, 312858, 372450, 434525, 521430, 558675, 601650, 782145, 869050, 1117350, 1303575, 1564290, 2607150, 3910725, 7821450]

約数ペア:

[(1, 7821450), (2, 3910725), (3, 2607150), (5, 1564290), (6, 1303575), (7, 1117350), (9, 869050), (10, 782145), (13, 601650), (14, 558675), (15, 521430), (18, 434525), (21, 372450), (25, 312858), (26, 300825), (30, 260715), (35, 223470), (39, 200550), (42, 186225), (45, 173810), (50, 156429), (63, 124150), (65, 120330), (70, 111735), (75, 104286), (78, 100275), (90, 86905), (91, 85950), (105, 74490), (117, 66850), (126, 62075), (130, 60165), (150, 52143), (175, 44694), (182, 42975), (191, 40950), (195, 40110), (210, 37245), (225, 34762), (234, 33425), (273, 28650), (315, 24830), (325, 24066), (350, 22347), (382, 20475), (390, 20055), (450, 17381), (455, 17190), (525, 14898), (546, 14325), (573, 13650), (585, 13370), (630, 12415), (650, 12033), (819, 9550), (910, 8595), (955, 8190), (975, 8022), (1050, 7449), (1146, 6825), (1170, 6685), (1337, 5850), (1365, 5730), (1575, 4966), (1638, 4775), (1719, 4550), (1910, 4095), (1950, 4011), (2275, 3438), (2483, 3150), (2674, 2925), (2730, 2865)]