489677500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:130

約数の個数: 180

約数和(自身を含む): 1240571640

約数和(自身を除く): 750894140

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 61, 65, 76, 95, 100, 122, 125, 130, 169, 190, 244, 247, 250, 260, 305, 325, 338, 380, 475, 494, 500, 610, 625, 650, 676, 793, 845, 950, 988, 1159, 1220, 1235, 1250, 1300, 1525, 1586, 1625, 1690, 1900, 2318, 2375, 2470, 2500, 3050, 3172, 3211, 3250, 3380, 3965, 4225, 4636, 4750, 4940, 5795, 6100, 6175, 6422, 6500, 7625, 7930, 8125, 8450, 9500, 10309, 11590, 11875, 12350, 12844, 15067, 15250, 15860, 16055, 16250, 16900, 19825, 20618, 21125, 23180, 23750, 24700, 28975, 30134, 30500, 30875, 32110, 32500, 38125, 39650, 41236, 42250, 47500, 51545, 57950, 60268, 61750, 64220, 75335, 76250, 79300, 80275, 84500, 99125, 103090, 105625, 115900, 123500, 144875, 150670, 152500, 154375, 160550, 195871, 198250, 206180, 211250, 257725, 289750, 301340, 308750, 321100, 376675, 391742, 396500, 401375, 422500, 495625, 515450, 579500, 617500, 724375, 753350, 783484, 802750, 979355, 991250, 1030900, 1288625, 1448750, 1506700, 1605500, 1883375, 1958710, 1982500, 2006875, 2577250, 2897500, 3766750, 3917420, 4013750, 4896775, 5154500, 6443125, 7533500, 8027500, 9416875, 9793550, 12886250, 18833750, 19587100, 24483875, 25772500, 37667500, 48967750, 97935500, 122419375, 244838750, 489677500]

約数ペア:

[(1, 489677500), (2, 244838750), (4, 122419375), (5, 97935500), (10, 48967750), (13, 37667500), (19, 25772500), (20, 24483875), (25, 19587100), (26, 18833750), (38, 12886250), (50, 9793550), (52, 9416875), (61, 8027500), (65, 7533500), (76, 6443125), (95, 5154500), (100, 4896775), (122, 4013750), (125, 3917420), (130, 3766750), (169, 2897500), (190, 2577250), (244, 2006875), (247, 1982500), (250, 1958710), (260, 1883375), (305, 1605500), (325, 1506700), (338, 1448750), (380, 1288625), (475, 1030900), (494, 991250), (500, 979355), (610, 802750), (625, 783484), (650, 753350), (676, 724375), (793, 617500), (845, 579500), (950, 515450), (988, 495625), (1159, 422500), (1220, 401375), (1235, 396500), (1250, 391742), (1300, 376675), (1525, 321100), (1586, 308750), (1625, 301340), (1690, 289750), (1900, 257725), (2318, 211250), (2375, 206180), (2470, 198250), (2500, 195871), (3050, 160550), (3172, 154375), (3211, 152500), (3250, 150670), (3380, 144875), (3965, 123500), (4225, 115900), (4636, 105625), (4750, 103090), (4940, 99125), (5795, 84500), (6100, 80275), (6175, 79300), (6422, 76250), (6500, 75335), (7625, 64220), (7930, 61750), (8125, 60268), (8450, 57950), (9500, 51545), (10309, 47500), (11590, 42250), (11875, 41236), (12350, 39650), (12844, 38125), (15067, 32500), (15250, 32110), (15860, 30875), (16055, 30500), (16250, 30134), (16900, 28975), (19825, 24700), (20618, 23750), (21125, 23180)]