123728740

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{2741}}^1$

素因数の和:2848

約数の個数: 48

約数和(自身を含む): 271326384

約数和(自身を除く): 147597644

約数列:

[1, 2, 4, 5, 10, 20, 37, 61, 74, 122, 148, 185, 244, 305, 370, 610, 740, 1220, 2257, 2741, 4514, 5482, 9028, 10964, 11285, 13705, 22570, 27410, 45140, 54820, 101417, 167201, 202834, 334402, 405668, 507085, 668804, 836005, 1014170, 1672010, 2028340, 3344020, 6186437, 12372874, 24745748, 30932185, 61864370, 123728740]

約数ペア:

[(1, 123728740), (2, 61864370), (4, 30932185), (5, 24745748), (10, 12372874), (20, 6186437), (37, 3344020), (61, 2028340), (74, 1672010), (122, 1014170), (148, 836005), (185, 668804), (244, 507085), (305, 405668), (370, 334402), (610, 202834), (740, 167201), (1220, 101417), (2257, 54820), (2741, 45140), (4514, 27410), (5482, 22570), (9028, 13705), (10964, 11285)]