210408940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{4051}}^1$

素因数の和:4127

約数の個数: 72

約数和(自身を含む): 523826352

約数和(自身を除く): 313417412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 53, 70, 98, 106, 140, 196, 212, 245, 265, 371, 490, 530, 742, 980, 1060, 1484, 1855, 2597, 3710, 4051, 5194, 7420, 8102, 10388, 12985, 16204, 20255, 25970, 28357, 40510, 51940, 56714, 81020, 113428, 141785, 198499, 214703, 283570, 396998, 429406, 567140, 793996, 858812, 992495, 1073515, 1502921, 1984990, 2147030, 3005842, 3969980, 4294060, 6011684, 7514605, 10520447, 15029210, 21040894, 30058420, 42081788, 52602235, 105204470, 210408940]

約数ペア:

[(1, 210408940), (2, 105204470), (4, 52602235), (5, 42081788), (7, 30058420), (10, 21040894), (14, 15029210), (20, 10520447), (28, 7514605), (35, 6011684), (49, 4294060), (53, 3969980), (70, 3005842), (98, 2147030), (106, 1984990), (140, 1502921), (196, 1073515), (212, 992495), (245, 858812), (265, 793996), (371, 567140), (490, 429406), (530, 396998), (742, 283570), (980, 214703), (1060, 198499), (1484, 141785), (1855, 113428), (2597, 81020), (3710, 56714), (4051, 51940), (5194, 40510), (7420, 28357), (8102, 25970), (10388, 20255), (12985, 16204)]