489894860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:536

約数の個数: 192

約数和(自身を含む): 1378836480

約数和(自身を除く): 888941620

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 31, 35, 38, 52, 62, 65, 70, 76, 91, 95, 124, 130, 133, 140, 155, 182, 190, 217, 247, 260, 266, 310, 364, 380, 403, 434, 455, 457, 494, 532, 589, 620, 665, 806, 868, 910, 914, 988, 1085, 1178, 1235, 1330, 1612, 1729, 1820, 1828, 2015, 2170, 2285, 2356, 2470, 2660, 2821, 2945, 3199, 3458, 4030, 4123, 4340, 4570, 4940, 5642, 5890, 5941, 6398, 6916, 7657, 8060, 8246, 8645, 8683, 9140, 11284, 11780, 11882, 12796, 14105, 14167, 15314, 15995, 16492, 17290, 17366, 20615, 23764, 28210, 28334, 29705, 30628, 31990, 34580, 34732, 38285, 41230, 41587, 43415, 53599, 56420, 56668, 59410, 60781, 63980, 70835, 76570, 82460, 83174, 86830, 99169, 107198, 112879, 118820, 121562, 141670, 153140, 166348, 173660, 184171, 198338, 207935, 214396, 225758, 243124, 267995, 269173, 283340, 303905, 368342, 396676, 415870, 451516, 495845, 535990, 538346, 564395, 607810, 736684, 790153, 831740, 920855, 991690, 1071980, 1076692, 1128790, 1215620, 1289197, 1345865, 1580306, 1841710, 1884211, 1983380, 2257580, 2578394, 2691730, 3160612, 3499249, 3683420, 3768422, 3950765, 5156788, 5383460, 6445985, 6998498, 7536844, 7901530, 9421055, 12891970, 13996996, 15803060, 17496245, 18842110, 24494743, 25783940, 34992490, 37684220, 48989486, 69984980, 97978972, 122473715, 244947430, 489894860]

約数ペア:

[(1, 489894860), (2, 244947430), (4, 122473715), (5, 97978972), (7, 69984980), (10, 48989486), (13, 37684220), (14, 34992490), (19, 25783940), (20, 24494743), (26, 18842110), (28, 17496245), (31, 15803060), (35, 13996996), (38, 12891970), (52, 9421055), (62, 7901530), (65, 7536844), (70, 6998498), (76, 6445985), (91, 5383460), (95, 5156788), (124, 3950765), (130, 3768422), (133, 3683420), (140, 3499249), (155, 3160612), (182, 2691730), (190, 2578394), (217, 2257580), (247, 1983380), (260, 1884211), (266, 1841710), (310, 1580306), (364, 1345865), (380, 1289197), (403, 1215620), (434, 1128790), (455, 1076692), (457, 1071980), (494, 991690), (532, 920855), (589, 831740), (620, 790153), (665, 736684), (806, 607810), (868, 564395), (910, 538346), (914, 535990), (988, 495845), (1085, 451516), (1178, 415870), (1235, 396676), (1330, 368342), (1612, 303905), (1729, 283340), (1820, 269173), (1828, 267995), (2015, 243124), (2170, 225758), (2285, 214396), (2356, 207935), (2470, 198338), (2660, 184171), (2821, 173660), (2945, 166348), (3199, 153140), (3458, 141670), (4030, 121562), (4123, 118820), (4340, 112879), (4570, 107198), (4940, 99169), (5642, 86830), (5890, 83174), (5941, 82460), (6398, 76570), (6916, 70835), (7657, 63980), (8060, 60781), (8246, 59410), (8645, 56668), (8683, 56420), (9140, 53599), (11284, 43415), (11780, 41587), (11882, 41230), (12796, 38285), (14105, 34732), (14167, 34580), (15314, 31990), (15995, 30628), (16492, 29705), (17290, 28334), (17366, 28210), (20615, 23764)]