51116380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{83}}^2$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 126518112

約数和(自身を除く): 75401732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 83, 106, 140, 166, 212, 265, 332, 371, 415, 530, 581, 742, 830, 1060, 1162, 1484, 1660, 1855, 2324, 2905, 3710, 4399, 5810, 6889, 7420, 8798, 11620, 13778, 17596, 21995, 27556, 30793, 34445, 43990, 48223, 61586, 68890, 87980, 96446, 123172, 137780, 153965, 192892, 241115, 307930, 365117, 482230, 615860, 730234, 964460, 1460468, 1825585, 2555819, 3651170, 5111638, 7302340, 10223276, 12779095, 25558190, 51116380]

約数ペア:

[(1, 51116380), (2, 25558190), (4, 12779095), (5, 10223276), (7, 7302340), (10, 5111638), (14, 3651170), (20, 2555819), (28, 1825585), (35, 1460468), (53, 964460), (70, 730234), (83, 615860), (106, 482230), (140, 365117), (166, 307930), (212, 241115), (265, 192892), (332, 153965), (371, 137780), (415, 123172), (530, 96446), (581, 87980), (742, 68890), (830, 61586), (1060, 48223), (1162, 43990), (1484, 34445), (1660, 30793), (1855, 27556), (2324, 21995), (2905, 17596), (3710, 13778), (4399, 11620), (5810, 8798), (6889, 7420)]