353118640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1621}}^1$

素因数の和:2030

約数の個数: 80

約数和(自身を含む): 941279040

約数和(自身を除く): 588160400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 389, 560, 778, 1556, 1621, 1945, 2723, 3112, 3242, 3890, 5446, 6224, 6484, 7780, 8105, 10892, 11347, 12968, 13615, 15560, 16210, 21784, 22694, 25936, 27230, 31120, 32420, 43568, 45388, 54460, 56735, 64840, 90776, 108920, 113470, 129680, 181552, 217840, 226940, 453880, 630569, 907760, 1261138, 2522276, 3152845, 4413983, 5044552, 6305690, 8827966, 10089104, 12611380, 17655932, 22069915, 25222760, 35311864, 44139830, 50445520, 70623728, 88279660, 176559320, 353118640]

約数ペア:

[(1, 353118640), (2, 176559320), (4, 88279660), (5, 70623728), (7, 50445520), (8, 44139830), (10, 35311864), (14, 25222760), (16, 22069915), (20, 17655932), (28, 12611380), (35, 10089104), (40, 8827966), (56, 6305690), (70, 5044552), (80, 4413983), (112, 3152845), (140, 2522276), (280, 1261138), (389, 907760), (560, 630569), (778, 453880), (1556, 226940), (1621, 217840), (1945, 181552), (2723, 129680), (3112, 113470), (3242, 108920), (3890, 90776), (5446, 64840), (6224, 56735), (6484, 54460), (7780, 45388), (8105, 43568), (10892, 32420), (11347, 31120), (12968, 27230), (13615, 25936), (15560, 22694), (16210, 21784)]