990442880

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{31583}}^1$

素因数の和:31616

約数の個数: 96

約数和(自身を含む): 2754440640

約数和(自身を除く): 1763997760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1120, 1568, 1960, 2240, 3136, 3920, 4480, 6272, 7840, 15680, 31360, 31583, 63166, 126332, 157915, 221081, 252664, 315830, 442162, 505328, 631660, 884324, 1010656, 1105405, 1263320, 1547567, 1768648, 2021312, 2210810, 2526640, 3095134, 3537296, 4042624, 4421620, 5053280, 6190268, 7074592, 7737835, 8843240, 10106560, 12380536, 14149184, 15475670, 17686480, 20213120, 24761072, 28298368, 30951340, 35372960, 49522144, 61902680, 70745920, 99044288, 123805360, 141491840, 198088576, 247610720, 495221440, 990442880]

約数ペア:

[(1, 990442880), (2, 495221440), (4, 247610720), (5, 198088576), (7, 141491840), (8, 123805360), (10, 99044288), (14, 70745920), (16, 61902680), (20, 49522144), (28, 35372960), (32, 30951340), (35, 28298368), (40, 24761072), (49, 20213120), (56, 17686480), (64, 15475670), (70, 14149184), (80, 12380536), (98, 10106560), (112, 8843240), (128, 7737835), (140, 7074592), (160, 6190268), (196, 5053280), (224, 4421620), (245, 4042624), (280, 3537296), (320, 3095134), (392, 2526640), (448, 2210810), (490, 2021312), (560, 1768648), (640, 1547567), (784, 1263320), (896, 1105405), (980, 1010656), (1120, 884324), (1568, 631660), (1960, 505328), (2240, 442162), (3136, 315830), (3920, 252664), (4480, 221081), (6272, 157915), (7840, 126332), (15680, 63166), (31360, 31583)]