421036991960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{303367}}^1$

素因数の和:303565

約数の個数: 128

約数和(自身を含む): 1087101025920

約数和(自身を除く): 666064033960

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 157, 170, 221, 260, 314, 340, 442, 520, 628, 680, 785, 884, 1105, 1256, 1570, 1768, 2041, 2210, 2669, 3140, 4082, 4420, 5338, 6280, 8164, 8840, 10205, 10676, 13345, 16328, 20410, 21352, 26690, 34697, 40820, 53380, 69394, 81640, 106760, 138788, 173485, 277576, 303367, 346970, 606734, 693940, 1213468, 1387880, 1516835, 2426936, 3033670, 3943771, 5157239, 6067340, 7887542, 10314478, 12134680, 15775084, 19718855, 20628956, 25786195, 31550168, 39437710, 41257912, 47628619, 51572390, 67044107, 78875420, 95257238, 103144780, 134088214, 157750840, 190514476, 206289560, 238143095, 268176428, 335220535, 381028952, 476286190, 536352856, 619172047, 670441070, 809686523, 952572380, 1238344094, 1340882140, 1619373046, 1905144760, 2476688188, 2681764280, 3095860235, 3238746092, 4048432615, 4953376376, 6191720470, 6477492184, 8096865230, 10525924799, 12383440940, 16193730460, 21051849598, 24766881880, 32387460920, 42103699196, 52629623995, 84207398392, 105259247990, 210518495980, 421036991960]

約数ペア:

[(1, 421036991960), (2, 210518495980), (4, 105259247990), (5, 84207398392), (8, 52629623995), (10, 42103699196), (13, 32387460920), (17, 24766881880), (20, 21051849598), (26, 16193730460), (34, 12383440940), (40, 10525924799), (52, 8096865230), (65, 6477492184), (68, 6191720470), (85, 4953376376), (104, 4048432615), (130, 3238746092), (136, 3095860235), (157, 2681764280), (170, 2476688188), (221, 1905144760), (260, 1619373046), (314, 1340882140), (340, 1238344094), (442, 952572380), (520, 809686523), (628, 670441070), (680, 619172047), (785, 536352856), (884, 476286190), (1105, 381028952), (1256, 335220535), (1570, 268176428), (1768, 238143095), (2041, 206289560), (2210, 190514476), (2669, 157750840), (3140, 134088214), (4082, 103144780), (4420, 95257238), (5338, 78875420), (6280, 67044107), (8164, 51572390), (8840, 47628619), (10205, 41257912), (10676, 39437710), (13345, 31550168), (16328, 25786195), (20410, 20628956), (21352, 19718855), (26690, 15775084), (34697, 12134680), (40820, 10314478), (53380, 7887542), (69394, 6067340), (81640, 5157239), (106760, 3943771), (138788, 3033670), (173485, 2426936), (277576, 1516835), (303367, 1387880), (346970, 1213468), (606734, 693940)]