4855364540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{306139}}^1$

素因数の和:306222

約数の個数: 48

約数和(自身を含む): 11160639840

約数和(自身を除く): 6305275300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 3172, 3965, 7930, 15860, 306139, 612278, 1224556, 1530695, 3061390, 3979807, 6122780, 7959614, 15919228, 18674479, 19899035, 37348958, 39798070, 74697916, 79596140, 93372395, 186744790, 242768227, 373489580, 485536454, 971072908, 1213841135, 2427682270, 4855364540]

約数ペア:

[(1, 4855364540), (2, 2427682270), (4, 1213841135), (5, 971072908), (10, 485536454), (13, 373489580), (20, 242768227), (26, 186744790), (52, 93372395), (61, 79596140), (65, 74697916), (122, 39798070), (130, 37348958), (244, 19899035), (260, 18674479), (305, 15919228), (610, 7959614), (793, 6122780), (1220, 3979807), (1586, 3061390), (3172, 1530695), (3965, 1224556), (7930, 612278), (15860, 306139)]