308978810

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{389}}^1\times {\mathrm{1621}}^1$

素因数の和:2031

約数の個数: 48

約数和(自身を含む): 649027080

約数和(自身を除く): 340048270

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 389, 490, 778, 1621, 1945, 2723, 3242, 3890, 5446, 8105, 11347, 13615, 16210, 19061, 22694, 27230, 38122, 56735, 79429, 95305, 113470, 158858, 190610, 397145, 630569, 794290, 1261138, 3152845, 4413983, 6305690, 8827966, 22069915, 30897881, 44139830, 61795762, 154489405, 308978810]

約数ペア:

[(1, 308978810), (2, 154489405), (5, 61795762), (7, 44139830), (10, 30897881), (14, 22069915), (35, 8827966), (49, 6305690), (70, 4413983), (98, 3152845), (245, 1261138), (389, 794290), (490, 630569), (778, 397145), (1621, 190610), (1945, 158858), (2723, 113470), (3242, 95305), (3890, 79429), (5446, 56735), (8105, 38122), (11347, 27230), (13615, 22694), (16210, 19061)]