1966860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{223}}^1$

素因数の和:252

約数の個数: 108

約数和(自身を含む): 6971328

約数和(自身を除く): 5004468

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 223, 245, 252, 294, 315, 420, 441, 446, 490, 588, 630, 669, 735, 882, 892, 980, 1115, 1260, 1338, 1470, 1561, 1764, 2007, 2205, 2230, 2676, 2940, 3122, 3345, 4014, 4410, 4460, 4683, 6244, 6690, 7805, 8028, 8820, 9366, 10035, 10927, 13380, 14049, 15610, 18732, 20070, 21854, 23415, 28098, 31220, 32781, 40140, 43708, 46830, 54635, 56196, 65562, 70245, 93660, 98343, 109270, 131124, 140490, 163905, 196686, 218540, 280980, 327810, 393372, 491715, 655620, 983430, 1966860]

約数ペア:

[(1, 1966860), (2, 983430), (3, 655620), (4, 491715), (5, 393372), (6, 327810), (7, 280980), (9, 218540), (10, 196686), (12, 163905), (14, 140490), (15, 131124), (18, 109270), (20, 98343), (21, 93660), (28, 70245), (30, 65562), (35, 56196), (36, 54635), (42, 46830), (45, 43708), (49, 40140), (60, 32781), (63, 31220), (70, 28098), (84, 23415), (90, 21854), (98, 20070), (105, 18732), (126, 15610), (140, 14049), (147, 13380), (180, 10927), (196, 10035), (210, 9366), (223, 8820), (245, 8028), (252, 7805), (294, 6690), (315, 6244), (420, 4683), (441, 4460), (446, 4410), (490, 4014), (588, 3345), (630, 3122), (669, 2940), (735, 2676), (882, 2230), (892, 2205), (980, 2007), (1115, 1764), (1260, 1561), (1338, 1470)]