12619460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:265

約数の個数: 72

約数和(自身を含む): 31409280

約数和(自身を除く): 18789820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 79, 98, 140, 158, 163, 196, 245, 316, 326, 395, 490, 553, 652, 790, 815, 980, 1106, 1141, 1580, 1630, 2212, 2282, 2765, 3260, 3871, 4564, 5530, 5705, 7742, 7987, 11060, 11410, 12877, 15484, 15974, 19355, 22820, 25754, 31948, 38710, 39935, 51508, 64385, 77420, 79870, 90139, 128770, 159740, 180278, 257540, 360556, 450695, 630973, 901390, 1261946, 1802780, 2523892, 3154865, 6309730, 12619460]

約数ペア:

[(1, 12619460), (2, 6309730), (4, 3154865), (5, 2523892), (7, 1802780), (10, 1261946), (14, 901390), (20, 630973), (28, 450695), (35, 360556), (49, 257540), (70, 180278), (79, 159740), (98, 128770), (140, 90139), (158, 79870), (163, 77420), (196, 64385), (245, 51508), (316, 39935), (326, 38710), (395, 31948), (490, 25754), (553, 22820), (652, 19355), (790, 15974), (815, 15484), (980, 12877), (1106, 11410), (1141, 11060), (1580, 7987), (1630, 7742), (2212, 5705), (2282, 5530), (2765, 4564), (3260, 3871)]