397372280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{1867}}^1$

素因数の和:2208

約数の個数: 64

約数和(自身を含む): 950214240

約数和(自身を除く): 552841960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 313, 340, 626, 680, 1252, 1565, 1867, 2504, 3130, 3734, 5321, 6260, 7468, 9335, 10642, 12520, 14936, 18670, 21284, 26605, 31739, 37340, 42568, 53210, 63478, 74680, 106420, 126956, 158695, 212840, 253912, 317390, 584371, 634780, 1168742, 1269560, 2337484, 2921855, 4674968, 5843710, 9934307, 11687420, 19868614, 23374840, 39737228, 49671535, 79474456, 99343070, 198686140, 397372280]

約数ペア:

[(1, 397372280), (2, 198686140), (4, 99343070), (5, 79474456), (8, 49671535), (10, 39737228), (17, 23374840), (20, 19868614), (34, 11687420), (40, 9934307), (68, 5843710), (85, 4674968), (136, 2921855), (170, 2337484), (313, 1269560), (340, 1168742), (626, 634780), (680, 584371), (1252, 317390), (1565, 253912), (1867, 212840), (2504, 158695), (3130, 126956), (3734, 106420), (5321, 74680), (6260, 63478), (7468, 53210), (9335, 42568), (10642, 37340), (12520, 31739), (14936, 26605), (18670, 21284)]