171474940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1327}}^1$

素因数の和:1427

約数の個数: 96

約数和(自身を含む): 449777664

約数和(自身を除く): 278302724

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 71, 91, 130, 140, 142, 182, 260, 284, 355, 364, 455, 497, 710, 910, 923, 994, 1327, 1420, 1820, 1846, 1988, 2485, 2654, 3692, 4615, 4970, 5308, 6461, 6635, 9230, 9289, 9940, 12922, 13270, 17251, 18460, 18578, 25844, 26540, 32305, 34502, 37156, 46445, 64610, 69004, 86255, 92890, 94217, 120757, 129220, 172510, 185780, 188434, 241514, 345020, 376868, 471085, 483028, 603785, 659519, 942170, 1207570, 1224821, 1319038, 1884340, 2415140, 2449642, 2638076, 3297595, 4899284, 6124105, 6595190, 8573747, 12248210, 13190380, 17147494, 24496420, 34294988, 42868735, 85737470, 171474940]

約数ペア:

[(1, 171474940), (2, 85737470), (4, 42868735), (5, 34294988), (7, 24496420), (10, 17147494), (13, 13190380), (14, 12248210), (20, 8573747), (26, 6595190), (28, 6124105), (35, 4899284), (52, 3297595), (65, 2638076), (70, 2449642), (71, 2415140), (91, 1884340), (130, 1319038), (140, 1224821), (142, 1207570), (182, 942170), (260, 659519), (284, 603785), (355, 483028), (364, 471085), (455, 376868), (497, 345020), (710, 241514), (910, 188434), (923, 185780), (994, 172510), (1327, 129220), (1420, 120757), (1820, 94217), (1846, 92890), (1988, 86255), (2485, 69004), (2654, 64610), (3692, 46445), (4615, 37156), (4970, 34502), (5308, 32305), (6461, 26540), (6635, 25844), (9230, 18578), (9289, 18460), (9940, 17251), (12922, 13270)]