377406640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:287

約数の個数: 160

約数和(自身を含む): 992186496

約数和(自身を除く): 614779856

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 53, 65, 80, 82, 104, 106, 130, 164, 167, 205, 208, 212, 260, 265, 328, 334, 410, 424, 520, 530, 533, 656, 668, 689, 820, 835, 848, 1040, 1060, 1066, 1336, 1378, 1640, 1670, 2120, 2132, 2171, 2173, 2665, 2672, 2756, 3280, 3340, 3445, 4240, 4264, 4342, 4346, 5330, 5512, 6680, 6847, 6890, 8528, 8684, 8692, 8851, 10660, 10855, 10865, 11024, 13360, 13694, 13780, 17368, 17384, 17702, 21320, 21710, 21730, 27388, 27560, 28249, 34235, 34736, 34768, 35404, 42640, 43420, 43460, 44255, 54776, 55120, 56498, 68470, 70808, 86840, 86920, 88510, 89011, 109552, 112996, 115063, 136940, 141245, 141616, 173680, 173840, 177020, 178022, 225992, 230126, 273880, 282490, 354040, 356044, 362891, 445055, 451984, 460252, 547760, 564980, 575315, 708080, 712088, 725782, 890110, 920504, 1129960, 1150630, 1424176, 1451564, 1780220, 1814455, 1841008, 2259920, 2301260, 2903128, 3560440, 3628910, 4602520, 4717583, 5806256, 7120880, 7257820, 9205040, 9435166, 14515640, 18870332, 23587915, 29031280, 37740664, 47175830, 75481328, 94351660, 188703320, 377406640]

約数ペア:

[(1, 377406640), (2, 188703320), (4, 94351660), (5, 75481328), (8, 47175830), (10, 37740664), (13, 29031280), (16, 23587915), (20, 18870332), (26, 14515640), (40, 9435166), (41, 9205040), (52, 7257820), (53, 7120880), (65, 5806256), (80, 4717583), (82, 4602520), (104, 3628910), (106, 3560440), (130, 2903128), (164, 2301260), (167, 2259920), (205, 1841008), (208, 1814455), (212, 1780220), (260, 1451564), (265, 1424176), (328, 1150630), (334, 1129960), (410, 920504), (424, 890110), (520, 725782), (530, 712088), (533, 708080), (656, 575315), (668, 564980), (689, 547760), (820, 460252), (835, 451984), (848, 445055), (1040, 362891), (1060, 356044), (1066, 354040), (1336, 282490), (1378, 273880), (1640, 230126), (1670, 225992), (2120, 178022), (2132, 177020), (2171, 173840), (2173, 173680), (2665, 141616), (2672, 141245), (2756, 136940), (3280, 115063), (3340, 112996), (3445, 109552), (4240, 89011), (4264, 88510), (4342, 86920), (4346, 86840), (5330, 70808), (5512, 68470), (6680, 56498), (6847, 55120), (6890, 54776), (8528, 44255), (8684, 43460), (8692, 43420), (8851, 42640), (10660, 35404), (10855, 34768), (10865, 34736), (11024, 34235), (13360, 28249), (13694, 27560), (13780, 27388), (17368, 21730), (17384, 21710), (17702, 21320)]