4374920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:246

約数の個数: 64

約数和(自身を含む): 10981440

約数和(自身を除く): 6606520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 163, 220, 244, 305, 326, 440, 488, 610, 652, 671, 815, 1220, 1304, 1342, 1630, 1793, 2440, 2684, 3260, 3355, 3586, 5368, 6520, 6710, 7172, 8965, 9943, 13420, 14344, 17930, 19886, 26840, 35860, 39772, 49715, 71720, 79544, 99430, 109373, 198860, 218746, 397720, 437492, 546865, 874984, 1093730, 2187460, 4374920]

約数ペア:

[(1, 4374920), (2, 2187460), (4, 1093730), (5, 874984), (8, 546865), (10, 437492), (11, 397720), (20, 218746), (22, 198860), (40, 109373), (44, 99430), (55, 79544), (61, 71720), (88, 49715), (110, 39772), (122, 35860), (163, 26840), (220, 19886), (244, 17930), (305, 14344), (326, 13420), (440, 9943), (488, 8965), (610, 7172), (652, 6710), (671, 6520), (815, 5368), (1220, 3586), (1304, 3355), (1342, 3260), (1630, 2684), (1793, 2440)]