90418500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:379

約数の個数: 144

約数和(自身を含む): 290279808

約数和(自身を除く): 199861308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 71, 75, 90, 100, 125, 142, 150, 180, 213, 225, 250, 283, 284, 300, 355, 375, 426, 450, 500, 566, 639, 710, 750, 849, 852, 900, 1065, 1125, 1132, 1278, 1415, 1420, 1500, 1698, 1775, 2130, 2250, 2547, 2556, 2830, 3195, 3396, 3550, 4245, 4260, 4500, 5094, 5325, 5660, 6390, 7075, 7100, 8490, 8875, 10188, 10650, 12735, 12780, 14150, 15975, 16980, 17750, 20093, 21225, 21300, 25470, 26625, 28300, 31950, 35375, 35500, 40186, 42450, 50940, 53250, 60279, 63675, 63900, 70750, 79875, 80372, 84900, 100465, 106125, 106500, 120558, 127350, 141500, 159750, 180837, 200930, 212250, 241116, 254700, 301395, 318375, 319500, 361674, 401860, 424500, 502325, 602790, 636750, 723348, 904185, 1004650, 1205580, 1273500, 1506975, 1808370, 2009300, 2511625, 3013950, 3616740, 4520925, 5023250, 6027900, 7534875, 9041850, 10046500, 15069750, 18083700, 22604625, 30139500, 45209250, 90418500]

約数ペア:

[(1, 90418500), (2, 45209250), (3, 30139500), (4, 22604625), (5, 18083700), (6, 15069750), (9, 10046500), (10, 9041850), (12, 7534875), (15, 6027900), (18, 5023250), (20, 4520925), (25, 3616740), (30, 3013950), (36, 2511625), (45, 2009300), (50, 1808370), (60, 1506975), (71, 1273500), (75, 1205580), (90, 1004650), (100, 904185), (125, 723348), (142, 636750), (150, 602790), (180, 502325), (213, 424500), (225, 401860), (250, 361674), (283, 319500), (284, 318375), (300, 301395), (355, 254700), (375, 241116), (426, 212250), (450, 200930), (500, 180837), (566, 159750), (639, 141500), (710, 127350), (750, 120558), (849, 106500), (852, 106125), (900, 100465), (1065, 84900), (1125, 80372), (1132, 79875), (1278, 70750), (1415, 63900), (1420, 63675), (1500, 60279), (1698, 53250), (1775, 50940), (2130, 42450), (2250, 40186), (2547, 35500), (2556, 35375), (2830, 31950), (3195, 28300), (3396, 26625), (3550, 25470), (4245, 21300), (4260, 21225), (4500, 20093), (5094, 17750), (5325, 16980), (5660, 15975), (6390, 14150), (7075, 12780), (7100, 12735), (8490, 10650), (8875, 10188)]