2187460

素因数分解:

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

素因数の和:244

約数の個数: 48

約数和(自身を含む): 5124672

約数和(自身を除く): 2937212

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 163, 220, 244, 305, 326, 610, 652, 671, 815, 1220, 1342, 1630, 1793, 2684, 3260, 3355, 3586, 6710, 7172, 8965, 9943, 13420, 17930, 19886, 35860, 39772, 49715, 99430, 109373, 198860, 218746, 437492, 546865, 1093730, 2187460]

約数ペア:

[(1, 2187460), (2, 1093730), (4, 546865), (5, 437492), (10, 218746), (11, 198860), (20, 109373), (22, 99430), (44, 49715), (55, 39772), (61, 35860), (110, 19886), (122, 17930), (163, 13420), (220, 9943), (244, 8965), (305, 7172), (326, 6710), (610, 3586), (652, 3355), (671, 3260), (815, 2684), (1220, 1793), (1342, 1630)]