745500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^1\times {\mathrm{71}}^1$

素因数の和:100

約数の個数: 96

約数和(自身を含む): 2515968

約数和(自身を除く): 1770468

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 71, 75, 84, 100, 105, 125, 140, 142, 150, 175, 210, 213, 250, 284, 300, 350, 355, 375, 420, 426, 497, 500, 525, 700, 710, 750, 852, 875, 994, 1050, 1065, 1420, 1491, 1500, 1750, 1775, 1988, 2100, 2130, 2485, 2625, 2982, 3500, 3550, 4260, 4970, 5250, 5325, 5964, 7100, 7455, 8875, 9940, 10500, 10650, 12425, 14910, 17750, 21300, 24850, 26625, 29820, 35500, 37275, 49700, 53250, 62125, 74550, 106500, 124250, 149100, 186375, 248500, 372750, 745500]

約数ペア:

[(1, 745500), (2, 372750), (3, 248500), (4, 186375), (5, 149100), (6, 124250), (7, 106500), (10, 74550), (12, 62125), (14, 53250), (15, 49700), (20, 37275), (21, 35500), (25, 29820), (28, 26625), (30, 24850), (35, 21300), (42, 17750), (50, 14910), (60, 12425), (70, 10650), (71, 10500), (75, 9940), (84, 8875), (100, 7455), (105, 7100), (125, 5964), (140, 5325), (142, 5250), (150, 4970), (175, 4260), (210, 3550), (213, 3500), (250, 2982), (284, 2625), (300, 2485), (350, 2130), (355, 2100), (375, 1988), (420, 1775), (426, 1750), (497, 1500), (500, 1491), (525, 1420), (700, 1065), (710, 1050), (750, 994), (852, 875)]