420820680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{500977}}^1$

素因数の和:500998

約数の個数: 64

約数和(自身を含む): 1442816640

約数和(自身を除く): 1021995960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 500977, 1001954, 1502931, 2003908, 2504885, 3005862, 3506839, 4007816, 5009770, 6011724, 7013678, 7514655, 10019540, 10520517, 12023448, 14027356, 15029310, 17534195, 20039080, 21041034, 28054712, 30058620, 35068390, 42082068, 52602585, 60117240, 70136780, 84164136, 105205170, 140273560, 210410340, 420820680]

約数ペア:

[(1, 420820680), (2, 210410340), (3, 140273560), (4, 105205170), (5, 84164136), (6, 70136780), (7, 60117240), (8, 52602585), (10, 42082068), (12, 35068390), (14, 30058620), (15, 28054712), (20, 21041034), (21, 20039080), (24, 17534195), (28, 15029310), (30, 14027356), (35, 12023448), (40, 10520517), (42, 10019540), (56, 7514655), (60, 7013678), (70, 6011724), (84, 5009770), (105, 4007816), (120, 3506839), (140, 3005862), (168, 2504885), (210, 2003908), (280, 1502931), (420, 1001954), (840, 500977)]