1869980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1$

素因数の和:91

約数の個数: 72

約数和(自身を含む): 4864608

約数和(自身を除く): 2994628

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 37, 38, 70, 74, 76, 95, 133, 140, 148, 185, 190, 259, 266, 361, 370, 380, 518, 532, 665, 703, 722, 740, 1036, 1295, 1330, 1406, 1444, 1805, 2527, 2590, 2660, 2812, 3515, 3610, 4921, 5054, 5180, 7030, 7220, 9842, 10108, 12635, 13357, 14060, 19684, 24605, 25270, 26714, 49210, 50540, 53428, 66785, 93499, 98420, 133570, 186998, 267140, 373996, 467495, 934990, 1869980]

約数ペア:

[(1, 1869980), (2, 934990), (4, 467495), (5, 373996), (7, 267140), (10, 186998), (14, 133570), (19, 98420), (20, 93499), (28, 66785), (35, 53428), (37, 50540), (38, 49210), (70, 26714), (74, 25270), (76, 24605), (95, 19684), (133, 14060), (140, 13357), (148, 12635), (185, 10108), (190, 9842), (259, 7220), (266, 7030), (361, 5180), (370, 5054), (380, 4921), (518, 3610), (532, 3515), (665, 2812), (703, 2660), (722, 2590), (740, 2527), (1036, 1805), (1295, 1444), (1330, 1406)]