1604600

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 3816720

約数和(自身を除く): 2212120

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 113, 142, 200, 226, 284, 355, 452, 565, 568, 710, 904, 1130, 1420, 1775, 2260, 2825, 2840, 3550, 4520, 5650, 7100, 8023, 11300, 14200, 16046, 22600, 32092, 40115, 64184, 80230, 160460, 200575, 320920, 401150, 802300, 1604600]

約数ペア:

[(1, 1604600), (2, 802300), (4, 401150), (5, 320920), (8, 200575), (10, 160460), (20, 80230), (25, 64184), (40, 40115), (50, 32092), (71, 22600), (100, 16046), (113, 14200), (142, 11300), (200, 8023), (226, 7100), (284, 5650), (355, 4520), (452, 3550), (565, 2840), (568, 2825), (710, 2260), (904, 1775), (1130, 1420)]