45445540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{587}}^1$

素因数の和:689

約数の個数: 72

約数和(自身を含む): 112613760

約数和(自身を除く): 67168220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 79, 98, 140, 158, 196, 245, 316, 395, 490, 553, 587, 790, 980, 1106, 1174, 1580, 2212, 2348, 2765, 2935, 3871, 4109, 5530, 5870, 7742, 8218, 11060, 11740, 15484, 16436, 19355, 20545, 28763, 38710, 41090, 46373, 57526, 77420, 82180, 92746, 115052, 143815, 185492, 231865, 287630, 324611, 463730, 575260, 649222, 927460, 1298444, 1623055, 2272277, 3246110, 4544554, 6492220, 9089108, 11361385, 22722770, 45445540]

約数ペア:

[(1, 45445540), (2, 22722770), (4, 11361385), (5, 9089108), (7, 6492220), (10, 4544554), (14, 3246110), (20, 2272277), (28, 1623055), (35, 1298444), (49, 927460), (70, 649222), (79, 575260), (98, 463730), (140, 324611), (158, 287630), (196, 231865), (245, 185492), (316, 143815), (395, 115052), (490, 92746), (553, 82180), (587, 77420), (790, 57526), (980, 46373), (1106, 41090), (1174, 38710), (1580, 28763), (2212, 20545), (2348, 19355), (2765, 16436), (2935, 15484), (3871, 11740), (4109, 11060), (5530, 8218), (5870, 7742)]