407029842580

素因数分解:

$2^2\times 5^1\times {\mathrm{823}}^1\times {\mathrm{991}}^1\times {\mathrm{24953}}^1$

素因数の和:26776

約数の個数: 48

約数和(自身を含む): 856699167744

約数和(自身を除く): 449669325164

約数列:

[1, 2, 4, 5, 10, 20, 823, 991, 1646, 1982, 3292, 3964, 4115, 4955, 8230, 9910, 16460, 19820, 24953, 49906, 99812, 124765, 249530, 499060, 815593, 1631186, 3262372, 4077965, 8155930, 16311860, 20536319, 24728423, 41072638, 49456846, 82145276, 98913692, 102681595, 123642115, 205363190, 247284230, 410726380, 494568460, 20351492129, 40702984258, 81405968516, 101757460645, 203514921290, 407029842580]

約数ペア:

[(1, 407029842580), (2, 203514921290), (4, 101757460645), (5, 81405968516), (10, 40702984258), (20, 20351492129), (823, 494568460), (991, 410726380), (1646, 247284230), (1982, 205363190), (3292, 123642115), (3964, 102681595), (4115, 98913692), (4955, 82145276), (8230, 49456846), (9910, 41072638), (16460, 24728423), (19820, 20536319), (24953, 16311860), (49906, 8155930), (99812, 4077965), (124765, 3262372), (249530, 1631186), (499060, 815593)]