1904020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:160

約数の個数: 48

約数和(自身を含む): 4290048

約数和(自身を除く): 2386028

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 83, 124, 148, 155, 166, 185, 310, 332, 370, 415, 620, 740, 830, 1147, 1660, 2294, 2573, 3071, 4588, 5146, 5735, 6142, 10292, 11470, 12284, 12865, 15355, 22940, 25730, 30710, 51460, 61420, 95201, 190402, 380804, 476005, 952010, 1904020]

約数ペア:

[(1, 1904020), (2, 952010), (4, 476005), (5, 380804), (10, 190402), (20, 95201), (31, 61420), (37, 51460), (62, 30710), (74, 25730), (83, 22940), (124, 15355), (148, 12865), (155, 12284), (166, 11470), (185, 10292), (310, 6142), (332, 5735), (370, 5146), (415, 4588), (620, 3071), (740, 2573), (830, 2294), (1147, 1660)]