391020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{19}}^1$

素因数の和:52

約数の個数: 96

約数和(自身を含む): 1344000

約数和(自身を除く): 952980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 343, 380, 399, 420, 490, 532, 570, 588, 665, 686, 735, 798, 931, 980, 1029, 1140, 1330, 1372, 1470, 1596, 1715, 1862, 1995, 2058, 2660, 2793, 2940, 3430, 3724, 3990, 4116, 4655, 5145, 5586, 6517, 6860, 7980, 9310, 10290, 11172, 13034, 13965, 18620, 19551, 20580, 26068, 27930, 32585, 39102, 55860, 65170, 78204, 97755, 130340, 195510, 391020]

約数ペア:

[(1, 391020), (2, 195510), (3, 130340), (4, 97755), (5, 78204), (6, 65170), (7, 55860), (10, 39102), (12, 32585), (14, 27930), (15, 26068), (19, 20580), (20, 19551), (21, 18620), (28, 13965), (30, 13034), (35, 11172), (38, 10290), (42, 9310), (49, 7980), (57, 6860), (60, 6517), (70, 5586), (76, 5145), (84, 4655), (95, 4116), (98, 3990), (105, 3724), (114, 3430), (133, 2940), (140, 2793), (147, 2660), (190, 2058), (196, 1995), (210, 1862), (228, 1715), (245, 1596), (266, 1470), (285, 1372), (294, 1330), (343, 1140), (380, 1029), (399, 980), (420, 931), (490, 798), (532, 735), (570, 686), (588, 665)]