17388520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{379}}^1$

素因数の和:458

約数の個数: 64

約数和(自身を含む): 41587200

約数和(自身を除く): 24198680

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 62, 74, 124, 148, 155, 185, 248, 296, 310, 370, 379, 620, 740, 758, 1147, 1240, 1480, 1516, 1895, 2294, 3032, 3790, 4588, 5735, 7580, 9176, 11470, 11749, 14023, 15160, 22940, 23498, 28046, 45880, 46996, 56092, 58745, 70115, 93992, 112184, 117490, 140230, 234980, 280460, 434713, 469960, 560920, 869426, 1738852, 2173565, 3477704, 4347130, 8694260, 17388520]

約数ペア:

[(1, 17388520), (2, 8694260), (4, 4347130), (5, 3477704), (8, 2173565), (10, 1738852), (20, 869426), (31, 560920), (37, 469960), (40, 434713), (62, 280460), (74, 234980), (124, 140230), (148, 117490), (155, 112184), (185, 93992), (248, 70115), (296, 58745), (310, 56092), (370, 46996), (379, 45880), (620, 28046), (740, 23498), (758, 22940), (1147, 15160), (1240, 14023), (1480, 11749), (1516, 11470), (1895, 9176), (2294, 7580), (3032, 5735), (3790, 4588)]