1398079280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{70753}}^1$

素因数の和:70798

約数の個数: 80

約数和(自身を含む): 3684868320

約数和(自身を除く): 2286789040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3952, 4940, 9880, 19760, 70753, 141506, 283012, 353765, 566024, 707530, 919789, 1132048, 1344307, 1415060, 1839578, 2688614, 2830120, 3679156, 4598945, 5377228, 5660240, 6721535, 7358312, 9197890, 10754456, 13443070, 14716624, 17475991, 18395780, 21508912, 26886140, 34951982, 36791560, 53772280, 69903964, 73583120, 87379955, 107544560, 139807928, 174759910, 279615856, 349519820, 699039640, 1398079280]

約数ペア:

[(1, 1398079280), (2, 699039640), (4, 349519820), (5, 279615856), (8, 174759910), (10, 139807928), (13, 107544560), (16, 87379955), (19, 73583120), (20, 69903964), (26, 53772280), (38, 36791560), (40, 34951982), (52, 26886140), (65, 21508912), (76, 18395780), (80, 17475991), (95, 14716624), (104, 13443070), (130, 10754456), (152, 9197890), (190, 7358312), (208, 6721535), (247, 5660240), (260, 5377228), (304, 4598945), (380, 3679156), (494, 2830120), (520, 2688614), (760, 1839578), (988, 1415060), (1040, 1344307), (1235, 1132048), (1520, 919789), (1976, 707530), (2470, 566024), (3952, 353765), (4940, 283012), (9880, 141506), (19760, 70753)]