91309550

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:206

約数の個数: 72

約数和(自身を含む): 185010480

約数和(自身を除く): 93700930

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 71, 85, 89, 142, 170, 178, 289, 355, 425, 445, 578, 710, 850, 890, 1207, 1445, 1513, 1775, 2225, 2414, 2890, 3026, 3550, 4450, 6035, 6319, 7225, 7565, 12070, 12638, 14450, 15130, 20519, 25721, 30175, 31595, 37825, 41038, 51442, 60350, 63190, 75650, 102595, 107423, 128605, 157975, 205190, 214846, 257210, 315950, 512975, 537115, 643025, 1025950, 1074230, 1286050, 1826191, 2685575, 3652382, 5371150, 9130955, 18261910, 45654775, 91309550]

約数ペア:

[(1, 91309550), (2, 45654775), (5, 18261910), (10, 9130955), (17, 5371150), (25, 3652382), (34, 2685575), (50, 1826191), (71, 1286050), (85, 1074230), (89, 1025950), (142, 643025), (170, 537115), (178, 512975), (289, 315950), (355, 257210), (425, 214846), (445, 205190), (578, 157975), (710, 128605), (850, 107423), (890, 102595), (1207, 75650), (1445, 63190), (1513, 60350), (1775, 51442), (2225, 41038), (2414, 37825), (2890, 31595), (3026, 30175), (3550, 25721), (4450, 20519), (6035, 15130), (6319, 14450), (7225, 12638), (7565, 12070)]