172699940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{487}}^1$

素因数の和:669

約数の個数: 96

約数和(自身を含む): 442713600

約数和(自身を除く): 270013660

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 149, 170, 238, 298, 340, 476, 487, 595, 596, 745, 974, 1043, 1190, 1490, 1948, 2086, 2380, 2435, 2533, 2980, 3409, 4172, 4870, 5066, 5215, 6818, 8279, 9740, 10132, 10430, 12665, 13636, 16558, 17045, 17731, 20860, 25330, 33116, 34090, 35462, 41395, 50660, 57953, 68180, 70924, 72563, 82790, 88655, 115906, 145126, 165580, 177310, 231812, 289765, 290252, 354620, 362815, 507941, 579530, 725630, 1015882, 1159060, 1233571, 1451260, 2031764, 2467142, 2539705, 4934284, 5079410, 6167855, 8634997, 10158820, 12335710, 17269994, 24671420, 34539988, 43174985, 86349970, 172699940]

約数ペア:

[(1, 172699940), (2, 86349970), (4, 43174985), (5, 34539988), (7, 24671420), (10, 17269994), (14, 12335710), (17, 10158820), (20, 8634997), (28, 6167855), (34, 5079410), (35, 4934284), (68, 2539705), (70, 2467142), (85, 2031764), (119, 1451260), (140, 1233571), (149, 1159060), (170, 1015882), (238, 725630), (298, 579530), (340, 507941), (476, 362815), (487, 354620), (595, 290252), (596, 289765), (745, 231812), (974, 177310), (1043, 165580), (1190, 145126), (1490, 115906), (1948, 88655), (2086, 82790), (2380, 72563), (2435, 70924), (2533, 68180), (2980, 57953), (3409, 50660), (4172, 41395), (4870, 35462), (5066, 34090), (5215, 33116), (6818, 25330), (8279, 20860), (9740, 17731), (10132, 17045), (10430, 16558), (12665, 13636)]