1890740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:176

約数の個数: 48

約数和(自身を含む): 4318272

約数和(自身を除く): 2427532

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 83, 85, 134, 166, 170, 268, 332, 335, 340, 415, 670, 830, 1139, 1340, 1411, 1660, 2278, 2822, 4556, 5561, 5644, 5695, 7055, 11122, 11390, 14110, 22244, 22780, 27805, 28220, 55610, 94537, 111220, 189074, 378148, 472685, 945370, 1890740]

約数ペア:

[(1, 1890740), (2, 945370), (4, 472685), (5, 378148), (10, 189074), (17, 111220), (20, 94537), (34, 55610), (67, 28220), (68, 27805), (83, 22780), (85, 22244), (134, 14110), (166, 11390), (170, 11122), (268, 7055), (332, 5695), (335, 5644), (340, 5561), (415, 4556), (670, 2822), (830, 2278), (1139, 1660), (1340, 1411)]