90044990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{857}}^1$

素因数の和:969

約数の個数: 64

約数和(自身を含む): 197683200

約数和(自身を除く): 107638210

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 79, 95, 133, 158, 190, 266, 395, 553, 665, 790, 857, 1106, 1330, 1501, 1714, 2765, 3002, 4285, 5530, 5999, 7505, 8570, 10507, 11998, 15010, 16283, 21014, 29995, 32566, 52535, 59990, 67703, 81415, 105070, 113981, 135406, 162830, 227962, 338515, 473921, 569905, 677030, 947842, 1139810, 1286357, 2369605, 2572714, 4739210, 6431785, 9004499, 12863570, 18008998, 45022495, 90044990]

約数ペア:

[(1, 90044990), (2, 45022495), (5, 18008998), (7, 12863570), (10, 9004499), (14, 6431785), (19, 4739210), (35, 2572714), (38, 2369605), (70, 1286357), (79, 1139810), (95, 947842), (133, 677030), (158, 569905), (190, 473921), (266, 338515), (395, 227962), (553, 162830), (665, 135406), (790, 113981), (857, 105070), (1106, 81415), (1330, 67703), (1501, 59990), (1714, 52535), (2765, 32566), (3002, 29995), (4285, 21014), (5530, 16283), (5999, 15010), (7505, 11998), (8570, 10507)]