391495000

素因数分解:

$2^3\times 5^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1$

素因数の和:375

約数の個数: 160

約数和(自身を含む): 1043103600

約数和(自身を除く): 651608600

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 25, 26, 38, 40, 50, 52, 65, 76, 95, 100, 104, 125, 130, 152, 190, 200, 247, 250, 260, 317, 325, 380, 475, 494, 500, 520, 625, 634, 650, 760, 950, 988, 1000, 1235, 1250, 1268, 1300, 1585, 1625, 1900, 1976, 2375, 2470, 2500, 2536, 2600, 3170, 3250, 3800, 4121, 4750, 4940, 5000, 6023, 6175, 6340, 6500, 7925, 8125, 8242, 9500, 9880, 11875, 12046, 12350, 12680, 13000, 15850, 16250, 16484, 19000, 20605, 23750, 24092, 24700, 30115, 30875, 31700, 32500, 32968, 39625, 41210, 47500, 48184, 49400, 60230, 61750, 63400, 65000, 78299, 79250, 82420, 95000, 103025, 120460, 123500, 150575, 154375, 156598, 158500, 164840, 198125, 206050, 240920, 247000, 301150, 308750, 313196, 317000, 391495, 396250, 412100, 515125, 602300, 617500, 626392, 752875, 782990, 792500, 824200, 1030250, 1204600, 1235000, 1505750, 1565980, 1585000, 1957475, 2060500, 2575625, 3011500, 3131960, 3764375, 3914950, 4121000, 5151250, 6023000, 7528750, 7829900, 9787375, 10302500, 15057500, 15659800, 19574750, 20605000, 30115000, 39149500, 48936875, 78299000, 97873750, 195747500, 391495000]

約数ペア:

[(1, 391495000), (2, 195747500), (4, 97873750), (5, 78299000), (8, 48936875), (10, 39149500), (13, 30115000), (19, 20605000), (20, 19574750), (25, 15659800), (26, 15057500), (38, 10302500), (40, 9787375), (50, 7829900), (52, 7528750), (65, 6023000), (76, 5151250), (95, 4121000), (100, 3914950), (104, 3764375), (125, 3131960), (130, 3011500), (152, 2575625), (190, 2060500), (200, 1957475), (247, 1585000), (250, 1565980), (260, 1505750), (317, 1235000), (325, 1204600), (380, 1030250), (475, 824200), (494, 792500), (500, 782990), (520, 752875), (625, 626392), (634, 617500), (650, 602300), (760, 515125), (950, 412100), (988, 396250), (1000, 391495), (1235, 317000), (1250, 313196), (1268, 308750), (1300, 301150), (1585, 247000), (1625, 240920), (1900, 206050), (1976, 198125), (2375, 164840), (2470, 158500), (2500, 156598), (2536, 154375), (2600, 150575), (3170, 123500), (3250, 120460), (3800, 103025), (4121, 95000), (4750, 82420), (4940, 79250), (5000, 78299), (6023, 65000), (6175, 63400), (6340, 61750), (6500, 60230), (7925, 49400), (8125, 48184), (8242, 47500), (9500, 41210), (9880, 39625), (11875, 32968), (12046, 32500), (12350, 31700), (12680, 30875), (13000, 30115), (15850, 24700), (16250, 24092), (16484, 23750), (19000, 20605)]