4651178380

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{619}}^1\times {\mathrm{2393}}^1$

素因数の和:3178

約数の個数: 48

約数和(自身を含む): 9849682080

約数和(自身を除く): 5198503700

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 619, 628, 785, 1238, 1570, 2393, 2476, 3095, 3140, 4786, 6190, 9572, 11965, 12380, 23930, 47860, 97183, 194366, 375701, 388732, 485915, 751402, 971830, 1481267, 1502804, 1878505, 1943660, 2962534, 3757010, 5925068, 7406335, 7514020, 14812670, 29625340, 232558919, 465117838, 930235676, 1162794595, 2325589190, 4651178380]

約数ペア:

[(1, 4651178380), (2, 2325589190), (4, 1162794595), (5, 930235676), (10, 465117838), (20, 232558919), (157, 29625340), (314, 14812670), (619, 7514020), (628, 7406335), (785, 5925068), (1238, 3757010), (1570, 2962534), (2393, 1943660), (2476, 1878505), (3095, 1502804), (3140, 1481267), (4786, 971830), (6190, 751402), (9572, 485915), (11965, 388732), (12380, 375701), (23930, 194366), (47860, 97183)]