261074380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{911}}^1$

素因数の和:1039

約数の個数: 96

約数和(自身を含む): 661893120

約数和(自身を除く): 400818740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 89, 92, 115, 140, 161, 178, 230, 322, 356, 445, 460, 623, 644, 805, 890, 911, 1246, 1610, 1780, 1822, 2047, 2492, 3115, 3220, 3644, 4094, 4555, 6230, 6377, 8188, 9110, 10235, 12460, 12754, 14329, 18220, 20470, 20953, 25508, 28658, 31885, 40940, 41906, 57316, 63770, 71645, 81079, 83812, 104765, 127540, 143290, 146671, 162158, 209530, 286580, 293342, 324316, 405395, 419060, 567553, 586684, 733355, 810790, 1135106, 1466710, 1621580, 1864817, 2270212, 2837765, 2933420, 3729634, 5675530, 7459268, 9324085, 11351060, 13053719, 18648170, 26107438, 37296340, 52214876, 65268595, 130537190, 261074380]

約数ペア:

[(1, 261074380), (2, 130537190), (4, 65268595), (5, 52214876), (7, 37296340), (10, 26107438), (14, 18648170), (20, 13053719), (23, 11351060), (28, 9324085), (35, 7459268), (46, 5675530), (70, 3729634), (89, 2933420), (92, 2837765), (115, 2270212), (140, 1864817), (161, 1621580), (178, 1466710), (230, 1135106), (322, 810790), (356, 733355), (445, 586684), (460, 567553), (623, 419060), (644, 405395), (805, 324316), (890, 293342), (911, 286580), (1246, 209530), (1610, 162158), (1780, 146671), (1822, 143290), (2047, 127540), (2492, 104765), (3115, 83812), (3220, 81079), (3644, 71645), (4094, 63770), (4555, 57316), (6230, 41906), (6377, 40940), (8188, 31885), (9110, 28658), (10235, 25508), (12460, 20953), (12754, 20470), (14329, 18220)]