64645700

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:274

約数の個数: 108

約数和(自身を含む): 166239360

約数和(自身を除く): 101593660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 79, 98, 100, 140, 158, 167, 175, 196, 245, 316, 334, 350, 395, 490, 553, 668, 700, 790, 835, 980, 1106, 1169, 1225, 1580, 1670, 1975, 2212, 2338, 2450, 2765, 3340, 3871, 3950, 4175, 4676, 4900, 5530, 5845, 7742, 7900, 8183, 8350, 11060, 11690, 13193, 13825, 15484, 16366, 16700, 19355, 23380, 26386, 27650, 29225, 32732, 38710, 40915, 52772, 55300, 58450, 65965, 77420, 81830, 92351, 96775, 116900, 131930, 163660, 184702, 193550, 204575, 263860, 329825, 369404, 387100, 409150, 461755, 646457, 659650, 818300, 923510, 1292914, 1319300, 1847020, 2308775, 2585828, 3232285, 4617550, 6464570, 9235100, 12929140, 16161425, 32322850, 64645700]

約数ペア:

[(1, 64645700), (2, 32322850), (4, 16161425), (5, 12929140), (7, 9235100), (10, 6464570), (14, 4617550), (20, 3232285), (25, 2585828), (28, 2308775), (35, 1847020), (49, 1319300), (50, 1292914), (70, 923510), (79, 818300), (98, 659650), (100, 646457), (140, 461755), (158, 409150), (167, 387100), (175, 369404), (196, 329825), (245, 263860), (316, 204575), (334, 193550), (350, 184702), (395, 163660), (490, 131930), (553, 116900), (668, 96775), (700, 92351), (790, 81830), (835, 77420), (980, 65965), (1106, 58450), (1169, 55300), (1225, 52772), (1580, 40915), (1670, 38710), (1975, 32732), (2212, 29225), (2338, 27650), (2450, 26386), (2765, 23380), (3340, 19355), (3871, 16700), (3950, 16366), (4175, 15484), (4676, 13825), (4900, 13193), (5530, 11690), (5845, 11060), (7742, 8350), (7900, 8183)]