291285128440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{65629}}^1$

素因数の和:65825

約数の個数: 128

約数和(自身を含む): 711922737600

約数和(自身を除く): 420637609160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 61, 68, 85, 107, 122, 136, 170, 214, 244, 305, 340, 428, 488, 535, 610, 680, 856, 1037, 1070, 1220, 1819, 2074, 2140, 2440, 3638, 4148, 4280, 5185, 6527, 7276, 8296, 9095, 10370, 13054, 14552, 18190, 20740, 26108, 32635, 36380, 41480, 52216, 65270, 65629, 72760, 110959, 130540, 131258, 221918, 261080, 262516, 328145, 443836, 525032, 554795, 656290, 887672, 1109590, 1115693, 1312580, 2219180, 2231386, 2625160, 4003369, 4438360, 4462772, 5578465, 7022303, 8006738, 8925544, 11156930, 14044606, 16013476, 20016845, 22313860, 28089212, 32026952, 35111515, 40033690, 44627720, 56178424, 68057273, 70223030, 80067380, 119379151, 136114546, 140446060, 160134760, 238758302, 272229092, 280892120, 340286365, 428360483, 477516604, 544458184, 596895755, 680572730, 856720966, 955033208, 1193791510, 1361145460, 1713441932, 2141802415, 2387583020, 2722290920, 3426883864, 4283604830, 4775166040, 7282128211, 8567209660, 14564256422, 17134419320, 29128512844, 36410641055, 58257025688, 72821282110, 145642564220, 291285128440]

約数ペア:

[(1, 291285128440), (2, 145642564220), (4, 72821282110), (5, 58257025688), (8, 36410641055), (10, 29128512844), (17, 17134419320), (20, 14564256422), (34, 8567209660), (40, 7282128211), (61, 4775166040), (68, 4283604830), (85, 3426883864), (107, 2722290920), (122, 2387583020), (136, 2141802415), (170, 1713441932), (214, 1361145460), (244, 1193791510), (305, 955033208), (340, 856720966), (428, 680572730), (488, 596895755), (535, 544458184), (610, 477516604), (680, 428360483), (856, 340286365), (1037, 280892120), (1070, 272229092), (1220, 238758302), (1819, 160134760), (2074, 140446060), (2140, 136114546), (2440, 119379151), (3638, 80067380), (4148, 70223030), (4280, 68057273), (5185, 56178424), (6527, 44627720), (7276, 40033690), (8296, 35111515), (9095, 32026952), (10370, 28089212), (13054, 22313860), (14552, 20016845), (18190, 16013476), (20740, 14044606), (26108, 11156930), (32635, 8925544), (36380, 8006738), (41480, 7022303), (52216, 5578465), (65270, 4462772), (65629, 4438360), (72760, 4003369), (110959, 2625160), (130540, 2231386), (131258, 2219180), (221918, 1312580), (261080, 1115693), (262516, 1109590), (328145, 887672), (443836, 656290), (525032, 554795)]