1900752490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{122867}}^1$

素因数の和:122911

約数の個数: 64

約数和(自身を含む): 4458633984

約数和(自身を除く): 2557881494

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 26, 34, 35, 65, 70, 85, 91, 119, 130, 170, 182, 221, 238, 442, 455, 595, 910, 1105, 1190, 1547, 2210, 3094, 7735, 15470, 122867, 245734, 614335, 860069, 1228670, 1597271, 1720138, 2088739, 3194542, 4177478, 4300345, 7986355, 8600690, 10443695, 11180897, 14621173, 15972710, 20887390, 22361794, 27153607, 29242346, 54307214, 55904485, 73105865, 111808970, 135768035, 146211730, 190075249, 271536070, 380150498, 950376245, 1900752490]

約数ペア:

[(1, 1900752490), (2, 950376245), (5, 380150498), (7, 271536070), (10, 190075249), (13, 146211730), (14, 135768035), (17, 111808970), (26, 73105865), (34, 55904485), (35, 54307214), (65, 29242346), (70, 27153607), (85, 22361794), (91, 20887390), (119, 15972710), (130, 14621173), (170, 11180897), (182, 10443695), (221, 8600690), (238, 7986355), (442, 4300345), (455, 4177478), (595, 3194542), (910, 2088739), (1105, 1720138), (1190, 1597271), (1547, 1228670), (2210, 860069), (3094, 614335), (7735, 245734), (15470, 122867)]