220811575960

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1\times {\mathrm{331171}}^1$

素因数の和:331472

約数の個数: 64

約数和(自身を含む): 505500940800

約数和(自身を除く): 284689364840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 211, 316, 395, 422, 632, 790, 844, 1055, 1580, 1688, 2110, 3160, 4220, 8440, 16669, 33338, 66676, 83345, 133352, 166690, 331171, 333380, 662342, 666760, 1324684, 1655855, 2649368, 3311710, 6623420, 13246840, 26162509, 52325018, 69877081, 104650036, 130812545, 139754162, 209300072, 261625090, 279508324, 349385405, 523250180, 559016648, 698770810, 1046500360, 1397541620, 2795083240, 5520289399, 11040578798, 22081157596, 27601446995, 44162315192, 55202893990, 110405787980, 220811575960]

約数ペア:

[(1, 220811575960), (2, 110405787980), (4, 55202893990), (5, 44162315192), (8, 27601446995), (10, 22081157596), (20, 11040578798), (40, 5520289399), (79, 2795083240), (158, 1397541620), (211, 1046500360), (316, 698770810), (395, 559016648), (422, 523250180), (632, 349385405), (790, 279508324), (844, 261625090), (1055, 209300072), (1580, 139754162), (1688, 130812545), (2110, 104650036), (3160, 69877081), (4220, 52325018), (8440, 26162509), (16669, 13246840), (33338, 6623420), (66676, 3311710), (83345, 2649368), (133352, 1655855), (166690, 1324684), (331171, 666760), (333380, 662342)]