4405720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:89

約数の個数: 128

約数和(自身を含む): 12441600

約数和(自身を除く): 8035880

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 19, 20, 22, 31, 34, 38, 40, 44, 55, 62, 68, 76, 85, 88, 95, 110, 124, 136, 152, 155, 170, 187, 190, 209, 220, 248, 310, 323, 340, 341, 374, 380, 418, 440, 527, 589, 620, 646, 680, 682, 748, 760, 836, 935, 1045, 1054, 1178, 1240, 1292, 1364, 1496, 1615, 1672, 1705, 1870, 2090, 2108, 2356, 2584, 2635, 2728, 2945, 3230, 3410, 3553, 3740, 4180, 4216, 4712, 5270, 5797, 5890, 6460, 6479, 6820, 7106, 7480, 8360, 10013, 10540, 11594, 11780, 12920, 12958, 13640, 14212, 17765, 20026, 21080, 23188, 23560, 25916, 28424, 28985, 32395, 35530, 40052, 46376, 50065, 51832, 57970, 64790, 71060, 80104, 100130, 110143, 115940, 129580, 142120, 200260, 220286, 231880, 259160, 400520, 440572, 550715, 881144, 1101430, 2202860, 4405720]

約数ペア:

[(1, 4405720), (2, 2202860), (4, 1101430), (5, 881144), (8, 550715), (10, 440572), (11, 400520), (17, 259160), (19, 231880), (20, 220286), (22, 200260), (31, 142120), (34, 129580), (38, 115940), (40, 110143), (44, 100130), (55, 80104), (62, 71060), (68, 64790), (76, 57970), (85, 51832), (88, 50065), (95, 46376), (110, 40052), (124, 35530), (136, 32395), (152, 28985), (155, 28424), (170, 25916), (187, 23560), (190, 23188), (209, 21080), (220, 20026), (248, 17765), (310, 14212), (323, 13640), (340, 12958), (341, 12920), (374, 11780), (380, 11594), (418, 10540), (440, 10013), (527, 8360), (589, 7480), (620, 7106), (646, 6820), (680, 6479), (682, 6460), (748, 5890), (760, 5797), (836, 5270), (935, 4712), (1045, 4216), (1054, 4180), (1178, 3740), (1240, 3553), (1292, 3410), (1364, 3230), (1496, 2945), (1615, 2728), (1672, 2635), (1705, 2584), (1870, 2356), (2090, 2108)]