1389633280

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5003}}^1$

素因数の和:5062

約数の個数: 144

約数和(自身を含む): 3927619584

約数和(自身を除く): 2537986304

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 256, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1280, 1736, 1792, 1984, 2170, 2240, 2480, 3472, 3968, 4340, 4480, 4960, 5003, 6944, 7936, 8680, 8960, 9920, 10006, 13888, 17360, 19840, 20012, 25015, 27776, 34720, 35021, 39680, 40024, 50030, 55552, 69440, 70042, 80048, 100060, 138880, 140084, 155093, 160096, 175105, 200120, 277760, 280168, 310186, 320192, 350210, 400240, 560336, 620372, 640384, 700420, 775465, 800480, 1085651, 1120672, 1240744, 1280768, 1400840, 1550930, 1600960, 2171302, 2241344, 2481488, 2801680, 3101860, 3201920, 4342604, 4482688, 4962976, 5428255, 5603360, 6203720, 6403840, 8685208, 8965376, 9925952, 10856510, 11206720, 12407440, 17370416, 19851904, 21713020, 22413440, 24814880, 34740832, 39703808, 43426040, 44826880, 49629760, 69481664, 86852080, 99259520, 138963328, 173704160, 198519040, 277926656, 347408320, 694816640, 1389633280]

約数ペア:

[(1, 1389633280), (2, 694816640), (4, 347408320), (5, 277926656), (7, 198519040), (8, 173704160), (10, 138963328), (14, 99259520), (16, 86852080), (20, 69481664), (28, 49629760), (31, 44826880), (32, 43426040), (35, 39703808), (40, 34740832), (56, 24814880), (62, 22413440), (64, 21713020), (70, 19851904), (80, 17370416), (112, 12407440), (124, 11206720), (128, 10856510), (140, 9925952), (155, 8965376), (160, 8685208), (217, 6403840), (224, 6203720), (248, 5603360), (256, 5428255), (280, 4962976), (310, 4482688), (320, 4342604), (434, 3201920), (448, 3101860), (496, 2801680), (560, 2481488), (620, 2241344), (640, 2171302), (868, 1600960), (896, 1550930), (992, 1400840), (1085, 1280768), (1120, 1240744), (1240, 1120672), (1280, 1085651), (1736, 800480), (1792, 775465), (1984, 700420), (2170, 640384), (2240, 620372), (2480, 560336), (3472, 400240), (3968, 350210), (4340, 320192), (4480, 310186), (4960, 280168), (5003, 277760), (6944, 200120), (7936, 175105), (8680, 160096), (8960, 155093), (9920, 140084), (10006, 138880), (13888, 100060), (17360, 80048), (19840, 70042), (20012, 69440), (25015, 55552), (27776, 50030), (34720, 40024), (35021, 39680)]