7829900

素因数分解:

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

素因数の和:363

約数の個数: 72

約数和(自身を含む): 19321680

約数和(自身を除く): 11491780

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 130, 190, 247, 260, 317, 325, 380, 475, 494, 634, 650, 950, 988, 1235, 1268, 1300, 1585, 1900, 2470, 3170, 4121, 4940, 6023, 6175, 6340, 7925, 8242, 12046, 12350, 15850, 16484, 20605, 24092, 24700, 30115, 31700, 41210, 60230, 78299, 82420, 103025, 120460, 150575, 156598, 206050, 301150, 313196, 391495, 412100, 602300, 782990, 1565980, 1957475, 3914950, 7829900]

約数ペア:

[(1, 7829900), (2, 3914950), (4, 1957475), (5, 1565980), (10, 782990), (13, 602300), (19, 412100), (20, 391495), (25, 313196), (26, 301150), (38, 206050), (50, 156598), (52, 150575), (65, 120460), (76, 103025), (95, 82420), (100, 78299), (130, 60230), (190, 41210), (247, 31700), (260, 30115), (317, 24700), (325, 24092), (380, 20605), (475, 16484), (494, 15850), (634, 12350), (650, 12046), (950, 8242), (988, 7925), (1235, 6340), (1268, 6175), (1300, 6023), (1585, 4940), (1900, 4121), (2470, 3170)]