138889059440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{708907}}^1$

素因数の和:709030

約数の個数: 80

約数和(自身を含む): 337553633280

約数和(自身を除く): 198664573840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 79, 80, 124, 155, 158, 248, 310, 316, 395, 496, 620, 632, 790, 1240, 1264, 1580, 2449, 2480, 3160, 4898, 6320, 9796, 12245, 19592, 24490, 39184, 48980, 97960, 195920, 708907, 1417814, 2835628, 3544535, 5671256, 7089070, 11342512, 14178140, 21976117, 28356280, 43952234, 56003653, 56712560, 87904468, 109880585, 112007306, 175808936, 219761170, 224014612, 280018265, 351617872, 439522340, 448029224, 560036530, 879044680, 896058448, 1120073060, 1736113243, 1758089360, 2240146120, 3472226486, 4480292240, 6944452972, 8680566215, 13888905944, 17361132430, 27777811888, 34722264860, 69444529720, 138889059440]

約数ペア:

[(1, 138889059440), (2, 69444529720), (4, 34722264860), (5, 27777811888), (8, 17361132430), (10, 13888905944), (16, 8680566215), (20, 6944452972), (31, 4480292240), (40, 3472226486), (62, 2240146120), (79, 1758089360), (80, 1736113243), (124, 1120073060), (155, 896058448), (158, 879044680), (248, 560036530), (310, 448029224), (316, 439522340), (395, 351617872), (496, 280018265), (620, 224014612), (632, 219761170), (790, 175808936), (1240, 112007306), (1264, 109880585), (1580, 87904468), (2449, 56712560), (2480, 56003653), (3160, 43952234), (4898, 28356280), (6320, 21976117), (9796, 14178140), (12245, 11342512), (19592, 7089070), (24490, 5671256), (39184, 3544535), (48980, 2835628), (97960, 1417814), (195920, 708907)]