98857720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:305

約数の個数: 128

約数和(自身を含む): 259640640

約数和(自身を除く): 160782920

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 53, 65, 68, 85, 104, 106, 130, 136, 170, 211, 212, 221, 260, 265, 340, 422, 424, 442, 520, 530, 680, 689, 844, 884, 901, 1055, 1060, 1105, 1378, 1688, 1768, 1802, 2110, 2120, 2210, 2743, 2756, 3445, 3587, 3604, 4220, 4420, 4505, 5486, 5512, 6890, 7174, 7208, 8440, 8840, 9010, 10972, 11183, 11713, 13715, 13780, 14348, 17935, 18020, 21944, 22366, 23426, 27430, 27560, 28696, 35870, 36040, 44732, 46631, 46852, 54860, 55915, 58565, 71740, 89464, 93262, 93704, 109720, 111830, 117130, 143480, 145379, 186524, 190111, 223660, 233155, 234260, 290758, 373048, 380222, 447320, 466310, 468520, 581516, 726895, 760444, 932620, 950555, 1163032, 1453790, 1520888, 1865240, 1901110, 2471443, 2907580, 3802220, 4942886, 5815160, 7604440, 9885772, 12357215, 19771544, 24714430, 49428860, 98857720]

約数ペア:

[(1, 98857720), (2, 49428860), (4, 24714430), (5, 19771544), (8, 12357215), (10, 9885772), (13, 7604440), (17, 5815160), (20, 4942886), (26, 3802220), (34, 2907580), (40, 2471443), (52, 1901110), (53, 1865240), (65, 1520888), (68, 1453790), (85, 1163032), (104, 950555), (106, 932620), (130, 760444), (136, 726895), (170, 581516), (211, 468520), (212, 466310), (221, 447320), (260, 380222), (265, 373048), (340, 290758), (422, 234260), (424, 233155), (442, 223660), (520, 190111), (530, 186524), (680, 145379), (689, 143480), (844, 117130), (884, 111830), (901, 109720), (1055, 93704), (1060, 93262), (1105, 89464), (1378, 71740), (1688, 58565), (1768, 55915), (1802, 54860), (2110, 46852), (2120, 46631), (2210, 44732), (2743, 36040), (2756, 35870), (3445, 28696), (3587, 27560), (3604, 27430), (4220, 23426), (4420, 22366), (4505, 21944), (5486, 18020), (5512, 17935), (6890, 14348), (7174, 13780), (7208, 13715), (8440, 11713), (8840, 11183), (9010, 10972)]