218547140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:397

約数の個数: 96

約数和(自身を含む): 539798784

約数和(自身を除く): 321251644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 157, 163, 244, 305, 314, 326, 427, 610, 628, 652, 785, 815, 854, 1099, 1141, 1220, 1570, 1630, 1708, 2135, 2198, 2282, 3140, 3260, 4270, 4396, 4564, 5495, 5705, 8540, 9577, 9943, 10990, 11410, 19154, 19886, 21980, 22820, 25591, 38308, 39772, 47885, 49715, 51182, 67039, 69601, 95770, 99430, 102364, 127955, 134078, 139202, 179137, 191540, 198860, 255910, 268156, 278404, 335195, 348005, 358274, 511820, 670390, 696010, 716548, 895685, 1340780, 1392020, 1561051, 1791370, 3122102, 3582740, 6244204, 7805255, 10927357, 15610510, 21854714, 31221020, 43709428, 54636785, 109273570, 218547140]

約数ペア:

[(1, 218547140), (2, 109273570), (4, 54636785), (5, 43709428), (7, 31221020), (10, 21854714), (14, 15610510), (20, 10927357), (28, 7805255), (35, 6244204), (61, 3582740), (70, 3122102), (122, 1791370), (140, 1561051), (157, 1392020), (163, 1340780), (244, 895685), (305, 716548), (314, 696010), (326, 670390), (427, 511820), (610, 358274), (628, 348005), (652, 335195), (785, 278404), (815, 268156), (854, 255910), (1099, 198860), (1141, 191540), (1220, 179137), (1570, 139202), (1630, 134078), (1708, 127955), (2135, 102364), (2198, 99430), (2282, 95770), (3140, 69601), (3260, 67039), (4270, 51182), (4396, 49715), (4564, 47885), (5495, 39772), (5705, 38308), (8540, 25591), (9577, 22820), (9943, 21980), (10990, 19886), (11410, 19154)]