9129880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{293}}^1$

素因数の和:364

約数の個数: 64

約数和(自身を含む): 22226400

約数和(自身を除く): 13096520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 152, 164, 190, 205, 293, 328, 380, 410, 586, 760, 779, 820, 1172, 1465, 1558, 1640, 2344, 2930, 3116, 3895, 5567, 5860, 6232, 7790, 11134, 11720, 12013, 15580, 22268, 24026, 27835, 31160, 44536, 48052, 55670, 60065, 96104, 111340, 120130, 222680, 228247, 240260, 456494, 480520, 912988, 1141235, 1825976, 2282470, 4564940, 9129880]

約数ペア:

[(1, 9129880), (2, 4564940), (4, 2282470), (5, 1825976), (8, 1141235), (10, 912988), (19, 480520), (20, 456494), (38, 240260), (40, 228247), (41, 222680), (76, 120130), (82, 111340), (95, 96104), (152, 60065), (164, 55670), (190, 48052), (205, 44536), (293, 31160), (328, 27835), (380, 24026), (410, 22268), (586, 15580), (760, 12013), (779, 11720), (820, 11134), (1172, 7790), (1465, 6232), (1558, 5860), (1640, 5567), (2344, 3895), (2930, 3116)]