28818900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:143

約数の個数: 216

約数和(自身を含む): 102368448

約数和(自身を除く): 73549548

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 30, 33, 36, 41, 44, 45, 50, 55, 60, 66, 71, 75, 82, 90, 99, 100, 110, 123, 132, 142, 150, 164, 165, 180, 198, 205, 213, 220, 225, 246, 275, 284, 300, 330, 355, 369, 396, 410, 426, 450, 451, 492, 495, 550, 615, 639, 660, 710, 738, 781, 820, 825, 852, 900, 902, 990, 1025, 1065, 1100, 1230, 1278, 1353, 1420, 1476, 1562, 1650, 1775, 1804, 1845, 1980, 2050, 2130, 2255, 2343, 2460, 2475, 2556, 2706, 2911, 3075, 3124, 3195, 3300, 3550, 3690, 3905, 4059, 4100, 4260, 4510, 4686, 4950, 5325, 5412, 5822, 6150, 6390, 6765, 7029, 7100, 7380, 7810, 8118, 8733, 9020, 9225, 9372, 9900, 10650, 11275, 11644, 11715, 12300, 12780, 13530, 14058, 14555, 15620, 15975, 16236, 17466, 18450, 19525, 20295, 21300, 22550, 23430, 26199, 27060, 28116, 29110, 31950, 32021, 33825, 34932, 35145, 36900, 39050, 40590, 43665, 45100, 46860, 52398, 58220, 58575, 63900, 64042, 67650, 70290, 72775, 78100, 81180, 87330, 96063, 101475, 104796, 117150, 128084, 130995, 135300, 140580, 145550, 160105, 174660, 175725, 192126, 202950, 218325, 234300, 261990, 288189, 291100, 320210, 351450, 384252, 405900, 436650, 480315, 523980, 576378, 640420, 654975, 702900, 800525, 873300, 960630, 1152756, 1309950, 1440945, 1601050, 1921260, 2401575, 2619900, 2881890, 3202100, 4803150, 5763780, 7204725, 9606300, 14409450, 28818900]

約数ペア:

[(1, 28818900), (2, 14409450), (3, 9606300), (4, 7204725), (5, 5763780), (6, 4803150), (9, 3202100), (10, 2881890), (11, 2619900), (12, 2401575), (15, 1921260), (18, 1601050), (20, 1440945), (22, 1309950), (25, 1152756), (30, 960630), (33, 873300), (36, 800525), (41, 702900), (44, 654975), (45, 640420), (50, 576378), (55, 523980), (60, 480315), (66, 436650), (71, 405900), (75, 384252), (82, 351450), (90, 320210), (99, 291100), (100, 288189), (110, 261990), (123, 234300), (132, 218325), (142, 202950), (150, 192126), (164, 175725), (165, 174660), (180, 160105), (198, 145550), (205, 140580), (213, 135300), (220, 130995), (225, 128084), (246, 117150), (275, 104796), (284, 101475), (300, 96063), (330, 87330), (355, 81180), (369, 78100), (396, 72775), (410, 70290), (426, 67650), (450, 64042), (451, 63900), (492, 58575), (495, 58220), (550, 52398), (615, 46860), (639, 45100), (660, 43665), (710, 40590), (738, 39050), (781, 36900), (820, 35145), (825, 34932), (852, 33825), (900, 32021), (902, 31950), (990, 29110), (1025, 28116), (1065, 27060), (1100, 26199), (1230, 23430), (1278, 22550), (1353, 21300), (1420, 20295), (1476, 19525), (1562, 18450), (1650, 17466), (1775, 16236), (1804, 15975), (1845, 15620), (1980, 14555), (2050, 14058), (2130, 13530), (2255, 12780), (2343, 12300), (2460, 11715), (2475, 11644), (2556, 11275), (2706, 10650), (2911, 9900), (3075, 9372), (3124, 9225), (3195, 9020), (3300, 8733), (3550, 8118), (3690, 7810), (3905, 7380), (4059, 7100), (4100, 7029), (4260, 6765), (4510, 6390), (4686, 6150), (4950, 5822), (5325, 5412)]