4370292820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{19603}}^1$

素因数の和:19840

約数の個数: 48

約数和(自身を含む): 9366634368

約数和(自身を除く): 4996341548

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 157, 284, 314, 355, 628, 710, 785, 1420, 1570, 3140, 11147, 19603, 22294, 39206, 44588, 55735, 78412, 98015, 111470, 196030, 222940, 392060, 1391813, 2783626, 3077671, 5567252, 6155342, 6959065, 12310684, 13918130, 15388355, 27836260, 30776710, 61553420, 218514641, 437029282, 874058564, 1092573205, 2185146410, 4370292820]

約数ペア:

[(1, 4370292820), (2, 2185146410), (4, 1092573205), (5, 874058564), (10, 437029282), (20, 218514641), (71, 61553420), (142, 30776710), (157, 27836260), (284, 15388355), (314, 13918130), (355, 12310684), (628, 6959065), (710, 6155342), (785, 5567252), (1420, 3077671), (1570, 2783626), (3140, 1391813), (11147, 392060), (19603, 222940), (22294, 196030), (39206, 111470), (44588, 98015), (55735, 78412)]