7039340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{653}}^1$

素因数の和:687

約数の個数: 72

約数和(自身を含む): 18788112

約数和(自身を除く): 11748772

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 653, 770, 980, 1078, 1306, 1540, 2156, 2612, 2695, 3265, 4571, 5390, 6530, 7183, 9142, 10780, 13060, 14366, 18284, 22855, 28732, 31997, 35915, 45710, 50281, 63994, 71830, 91420, 100562, 127988, 143660, 159985, 201124, 251405, 319970, 351967, 502810, 639940, 703934, 1005620, 1407868, 1759835, 3519670, 7039340]

約数ペア:

[(1, 7039340), (2, 3519670), (4, 1759835), (5, 1407868), (7, 1005620), (10, 703934), (11, 639940), (14, 502810), (20, 351967), (22, 319970), (28, 251405), (35, 201124), (44, 159985), (49, 143660), (55, 127988), (70, 100562), (77, 91420), (98, 71830), (110, 63994), (140, 50281), (154, 45710), (196, 35915), (220, 31997), (245, 28732), (308, 22855), (385, 18284), (490, 14366), (539, 13060), (653, 10780), (770, 9142), (980, 7183), (1078, 6530), (1306, 5390), (1540, 4571), (2156, 3265), (2612, 2695)]