261401575180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1031}}^1\times {\mathrm{437141}}^1$

素因数の和:438210

約数の個数: 48

約数和(自身を含む): 568424485440

約数和(自身を除く): 307022910260

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 1031, 2062, 4124, 5155, 10310, 20620, 29899, 59798, 119596, 149495, 298990, 437141, 597980, 874282, 1748564, 2185705, 4371410, 8742820, 12677089, 25354178, 50708356, 63385445, 126770890, 253541780, 450692371, 901384742, 1802769484, 2253461855, 4506923710, 9013847420, 13070078759, 26140157518, 52280315036, 65350393795, 130700787590, 261401575180]

約数ペア:

[(1, 261401575180), (2, 130700787590), (4, 65350393795), (5, 52280315036), (10, 26140157518), (20, 13070078759), (29, 9013847420), (58, 4506923710), (116, 2253461855), (145, 1802769484), (290, 901384742), (580, 450692371), (1031, 253541780), (2062, 126770890), (4124, 63385445), (5155, 50708356), (10310, 25354178), (20620, 12677089), (29899, 8742820), (59798, 4371410), (119596, 2185705), (149495, 1748564), (298990, 874282), (437141, 597980)]