217551880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1013}}^1$

素因数の和:1103

約数の個数: 128

約数和(自身を含む): 613267200

約数和(自身を除く): 395715320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 59, 65, 70, 91, 104, 118, 130, 140, 182, 236, 260, 280, 295, 364, 413, 455, 472, 520, 590, 728, 767, 826, 910, 1013, 1180, 1534, 1652, 1820, 2026, 2065, 2360, 3068, 3304, 3640, 3835, 4052, 4130, 5065, 5369, 6136, 7091, 7670, 8104, 8260, 10130, 10738, 13169, 14182, 15340, 16520, 20260, 21476, 26338, 26845, 28364, 30680, 35455, 40520, 42952, 52676, 53690, 56728, 59767, 65845, 70910, 92183, 105352, 107380, 119534, 131690, 141820, 184366, 214760, 239068, 263380, 283640, 298835, 368732, 418369, 460915, 478136, 526760, 597670, 737464, 776971, 836738, 921830, 1195340, 1553942, 1673476, 1843660, 2091845, 2390680, 3107884, 3346952, 3687320, 3884855, 4183690, 5438797, 6215768, 7769710, 8367380, 10877594, 15539420, 16734760, 21755188, 27193985, 31078840, 43510376, 54387970, 108775940, 217551880]

約数ペア:

[(1, 217551880), (2, 108775940), (4, 54387970), (5, 43510376), (7, 31078840), (8, 27193985), (10, 21755188), (13, 16734760), (14, 15539420), (20, 10877594), (26, 8367380), (28, 7769710), (35, 6215768), (40, 5438797), (52, 4183690), (56, 3884855), (59, 3687320), (65, 3346952), (70, 3107884), (91, 2390680), (104, 2091845), (118, 1843660), (130, 1673476), (140, 1553942), (182, 1195340), (236, 921830), (260, 836738), (280, 776971), (295, 737464), (364, 597670), (413, 526760), (455, 478136), (472, 460915), (520, 418369), (590, 368732), (728, 298835), (767, 283640), (826, 263380), (910, 239068), (1013, 214760), (1180, 184366), (1534, 141820), (1652, 131690), (1820, 119534), (2026, 107380), (2065, 105352), (2360, 92183), (3068, 70910), (3304, 65845), (3640, 59767), (3835, 56728), (4052, 53690), (4130, 52676), (5065, 42952), (5369, 40520), (6136, 35455), (7091, 30680), (7670, 28364), (8104, 26845), (8260, 26338), (10130, 21476), (10738, 20260), (13169, 16520), (14182, 15340)]