31902920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{397}}^1$

素因数の和:463

約数の個数: 96

約数和(自身を含む): 85753080

約数和(自身を除く): 53850160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 49, 56, 70, 82, 98, 140, 164, 196, 205, 245, 280, 287, 328, 392, 397, 410, 490, 574, 794, 820, 980, 1148, 1435, 1588, 1640, 1960, 1985, 2009, 2296, 2779, 2870, 3176, 3970, 4018, 5558, 5740, 7940, 8036, 10045, 11116, 11480, 13895, 15880, 16072, 16277, 19453, 20090, 22232, 27790, 32554, 38906, 40180, 55580, 65108, 77812, 80360, 81385, 97265, 111160, 113939, 130216, 155624, 162770, 194530, 227878, 325540, 389060, 455756, 569695, 651080, 778120, 797573, 911512, 1139390, 1595146, 2278780, 3190292, 3987865, 4557560, 6380584, 7975730, 15951460, 31902920]

約数ペア:

[(1, 31902920), (2, 15951460), (4, 7975730), (5, 6380584), (7, 4557560), (8, 3987865), (10, 3190292), (14, 2278780), (20, 1595146), (28, 1139390), (35, 911512), (40, 797573), (41, 778120), (49, 651080), (56, 569695), (70, 455756), (82, 389060), (98, 325540), (140, 227878), (164, 194530), (196, 162770), (205, 155624), (245, 130216), (280, 113939), (287, 111160), (328, 97265), (392, 81385), (397, 80360), (410, 77812), (490, 65108), (574, 55580), (794, 40180), (820, 38906), (980, 32554), (1148, 27790), (1435, 22232), (1588, 20090), (1640, 19453), (1960, 16277), (1985, 16072), (2009, 15880), (2296, 13895), (2779, 11480), (2870, 11116), (3176, 10045), (3970, 8036), (4018, 7940), (5558, 5740)]