28986760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:199

約数の個数: 96

約数和(自身を含む): 73687320

約数和(自身を除く): 44700560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 53, 55, 88, 106, 110, 113, 121, 212, 220, 226, 242, 265, 424, 440, 452, 484, 530, 565, 583, 605, 904, 968, 1060, 1130, 1166, 1210, 1243, 2120, 2260, 2332, 2420, 2486, 2915, 4520, 4664, 4840, 4972, 5830, 5989, 6215, 6413, 9944, 11660, 11978, 12430, 12826, 13673, 23320, 23956, 24860, 25652, 27346, 29945, 32065, 47912, 49720, 51304, 54692, 59890, 64130, 65879, 68365, 109384, 119780, 128260, 131758, 136730, 239560, 256520, 263516, 273460, 329395, 527032, 546920, 658790, 724669, 1317580, 1449338, 2635160, 2898676, 3623345, 5797352, 7246690, 14493380, 28986760]

約数ペア:

[(1, 28986760), (2, 14493380), (4, 7246690), (5, 5797352), (8, 3623345), (10, 2898676), (11, 2635160), (20, 1449338), (22, 1317580), (40, 724669), (44, 658790), (53, 546920), (55, 527032), (88, 329395), (106, 273460), (110, 263516), (113, 256520), (121, 239560), (212, 136730), (220, 131758), (226, 128260), (242, 119780), (265, 109384), (424, 68365), (440, 65879), (452, 64130), (484, 59890), (530, 54692), (565, 51304), (583, 49720), (605, 47912), (904, 32065), (968, 29945), (1060, 27346), (1130, 25652), (1166, 24860), (1210, 23956), (1243, 23320), (2120, 13673), (2260, 12826), (2332, 12430), (2420, 11978), (2486, 11660), (2915, 9944), (4520, 6413), (4664, 6215), (4840, 5989), (4972, 5830)]