28593460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{179}}^1$

素因数の和:365

約数の個数: 72

約数和(自身を含む): 70670880

約数和(自身を除く): 42077420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 163, 179, 196, 245, 326, 358, 490, 652, 716, 815, 895, 980, 1141, 1253, 1630, 1790, 2282, 2506, 3260, 3580, 4564, 5012, 5705, 6265, 7987, 8771, 11410, 12530, 15974, 17542, 22820, 25060, 29177, 31948, 35084, 39935, 43855, 58354, 79870, 87710, 116708, 145885, 159740, 175420, 204239, 291770, 408478, 583540, 816956, 1021195, 1429673, 2042390, 2859346, 4084780, 5718692, 7148365, 14296730, 28593460]

約数ペア:

[(1, 28593460), (2, 14296730), (4, 7148365), (5, 5718692), (7, 4084780), (10, 2859346), (14, 2042390), (20, 1429673), (28, 1021195), (35, 816956), (49, 583540), (70, 408478), (98, 291770), (140, 204239), (163, 175420), (179, 159740), (196, 145885), (245, 116708), (326, 87710), (358, 79870), (490, 58354), (652, 43855), (716, 39935), (815, 35084), (895, 31948), (980, 29177), (1141, 25060), (1253, 22820), (1630, 17542), (1790, 15974), (2282, 12530), (2506, 11410), (3260, 8771), (3580, 7987), (4564, 6265), (5012, 5705)]