12912292820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{281}}^1\times {\mathrm{46889}}^1$

素因数の和:47193

約数の個数: 72

約数和(自身を含む): 31655814120

約数和(自身を除く): 18743521300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 281, 490, 562, 980, 1124, 1405, 1967, 2810, 3934, 5620, 7868, 9835, 13769, 19670, 27538, 39340, 46889, 55076, 68845, 93778, 137690, 187556, 234445, 275380, 328223, 468890, 656446, 937780, 1312892, 1641115, 2297561, 3282230, 4595122, 6564460, 9190244, 11487805, 13175809, 22975610, 26351618, 45951220, 52703236, 65879045, 92230663, 131758090, 184461326, 263516180, 368922652, 461153315, 645614641, 922306630, 1291229282, 1844613260, 2582458564, 3228073205, 6456146410, 12912292820]

約数ペア:

[(1, 12912292820), (2, 6456146410), (4, 3228073205), (5, 2582458564), (7, 1844613260), (10, 1291229282), (14, 922306630), (20, 645614641), (28, 461153315), (35, 368922652), (49, 263516180), (70, 184461326), (98, 131758090), (140, 92230663), (196, 65879045), (245, 52703236), (281, 45951220), (490, 26351618), (562, 22975610), (980, 13175809), (1124, 11487805), (1405, 9190244), (1967, 6564460), (2810, 4595122), (3934, 3282230), (5620, 2297561), (7868, 1641115), (9835, 1312892), (13769, 937780), (19670, 656446), (27538, 468890), (39340, 328223), (46889, 275380), (55076, 234445), (68845, 187556), (93778, 137690)]