234421840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1777}}^1$

素因数の和:1904

約数の個数: 80

約数和(自身を含む): 583368912

約数和(自身を除く): 348947072

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 97, 136, 170, 194, 272, 340, 388, 485, 680, 776, 970, 1360, 1552, 1649, 1777, 1940, 3298, 3554, 3880, 6596, 7108, 7760, 8245, 8885, 13192, 14216, 16490, 17770, 26384, 28432, 30209, 32980, 35540, 60418, 65960, 71080, 120836, 131920, 142160, 151045, 172369, 241672, 302090, 344738, 483344, 604180, 689476, 861845, 1208360, 1378952, 1723690, 2416720, 2757904, 2930273, 3447380, 5860546, 6894760, 11721092, 13789520, 14651365, 23442184, 29302730, 46884368, 58605460, 117210920, 234421840]

約数ペア:

[(1, 234421840), (2, 117210920), (4, 58605460), (5, 46884368), (8, 29302730), (10, 23442184), (16, 14651365), (17, 13789520), (20, 11721092), (34, 6894760), (40, 5860546), (68, 3447380), (80, 2930273), (85, 2757904), (97, 2416720), (136, 1723690), (170, 1378952), (194, 1208360), (272, 861845), (340, 689476), (388, 604180), (485, 483344), (680, 344738), (776, 302090), (970, 241672), (1360, 172369), (1552, 151045), (1649, 142160), (1777, 131920), (1940, 120836), (3298, 71080), (3554, 65960), (3880, 60418), (6596, 35540), (7108, 32980), (7760, 30209), (8245, 28432), (8885, 26384), (13192, 17770), (14216, 16490)]