284982040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{145399}}^1$

素因数の和:145424

約数の個数: 48

約数和(自身を含む): 745902000

約数和(自身を除く): 460919960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 145399, 290798, 581596, 726995, 1017793, 1163192, 1453990, 2035586, 2907980, 4071172, 5088965, 5815960, 7124551, 8142344, 10177930, 14249102, 20355860, 28498204, 35622755, 40711720, 56996408, 71245510, 142491020, 284982040]

約数ペア:

[(1, 284982040), (2, 142491020), (4, 71245510), (5, 56996408), (7, 40711720), (8, 35622755), (10, 28498204), (14, 20355860), (20, 14249102), (28, 10177930), (35, 8142344), (40, 7124551), (49, 5815960), (56, 5088965), (70, 4071172), (98, 2907980), (140, 2035586), (196, 1453990), (245, 1163192), (280, 1017793), (392, 726995), (490, 581596), (980, 290798), (1960, 145399)]