1389551800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{13}}^2\times {\mathrm{839}}^1$

素因数の和:895

約数の個数: 216

約数和(自身を含む): 4074348600

約数和(自身を除く): 2684796800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 49, 50, 52, 56, 65, 70, 91, 98, 100, 104, 130, 140, 169, 175, 182, 196, 200, 245, 260, 280, 325, 338, 350, 364, 392, 455, 490, 520, 637, 650, 676, 700, 728, 839, 845, 910, 980, 1183, 1225, 1274, 1300, 1352, 1400, 1678, 1690, 1820, 1960, 2275, 2366, 2450, 2548, 2600, 3185, 3356, 3380, 3640, 4195, 4225, 4550, 4732, 4900, 5096, 5873, 5915, 6370, 6712, 6760, 8281, 8390, 8450, 9100, 9464, 9800, 10907, 11746, 11830, 12740, 15925, 16562, 16780, 16900, 18200, 20975, 21814, 23492, 23660, 25480, 29365, 29575, 31850, 33124, 33560, 33800, 41111, 41405, 41950, 43628, 46984, 47320, 54535, 58730, 59150, 63700, 66248, 76349, 82222, 82810, 83900, 87256, 109070, 117460, 118300, 127400, 141791, 146825, 152698, 164444, 165620, 167800, 205555, 207025, 218140, 234920, 236600, 272675, 283582, 293650, 305396, 328888, 331240, 381745, 411110, 414050, 436280, 534443, 545350, 567164, 587300, 610792, 708955, 763490, 822220, 828100, 992537, 1027775, 1068886, 1090700, 1134328, 1174600, 1417910, 1526980, 1644440, 1656200, 1908725, 1985074, 2055550, 2137772, 2181400, 2672215, 2835820, 3053960, 3544775, 3817450, 3970148, 4111100, 4275544, 4962685, 5344430, 5671640, 6947759, 7089550, 7634900, 7940296, 8222200, 9925370, 10688860, 13361075, 13895518, 14179100, 15269800, 19850740, 21377720, 24813425, 26722150, 27791036, 28358200, 34738795, 39701480, 49626850, 53444300, 55582072, 69477590, 99253700, 106888600, 138955180, 173693975, 198507400, 277910360, 347387950, 694775900, 1389551800]

約数ペア:

[(1, 1389551800), (2, 694775900), (4, 347387950), (5, 277910360), (7, 198507400), (8, 173693975), (10, 138955180), (13, 106888600), (14, 99253700), (20, 69477590), (25, 55582072), (26, 53444300), (28, 49626850), (35, 39701480), (40, 34738795), (49, 28358200), (50, 27791036), (52, 26722150), (56, 24813425), (65, 21377720), (70, 19850740), (91, 15269800), (98, 14179100), (100, 13895518), (104, 13361075), (130, 10688860), (140, 9925370), (169, 8222200), (175, 7940296), (182, 7634900), (196, 7089550), (200, 6947759), (245, 5671640), (260, 5344430), (280, 4962685), (325, 4275544), (338, 4111100), (350, 3970148), (364, 3817450), (392, 3544775), (455, 3053960), (490, 2835820), (520, 2672215), (637, 2181400), (650, 2137772), (676, 2055550), (700, 1985074), (728, 1908725), (839, 1656200), (845, 1644440), (910, 1526980), (980, 1417910), (1183, 1174600), (1225, 1134328), (1274, 1090700), (1300, 1068886), (1352, 1027775), (1400, 992537), (1678, 828100), (1690, 822220), (1820, 763490), (1960, 708955), (2275, 610792), (2366, 587300), (2450, 567164), (2548, 545350), (2600, 534443), (3185, 436280), (3356, 414050), (3380, 411110), (3640, 381745), (4195, 331240), (4225, 328888), (4550, 305396), (4732, 293650), (4900, 283582), (5096, 272675), (5873, 236600), (5915, 234920), (6370, 218140), (6712, 207025), (6760, 205555), (8281, 167800), (8390, 165620), (8450, 164444), (9100, 152698), (9464, 146825), (9800, 141791), (10907, 127400), (11746, 118300), (11830, 117460), (12740, 109070), (15925, 87256), (16562, 83900), (16780, 82810), (16900, 82222), (18200, 76349), (20975, 66248), (21814, 63700), (23492, 59150), (23660, 58730), (25480, 54535), (29365, 47320), (29575, 46984), (31850, 43628), (33124, 41950), (33560, 41405), (33800, 41111)]