278300920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{2677}}^1$

素因数の和:2824

約数の個数: 64

約数和(自身を含む): 659430720

約数和(自身を除く): 381129800

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 113, 115, 184, 226, 230, 452, 460, 565, 904, 920, 1130, 2260, 2599, 2677, 4520, 5198, 5354, 10396, 10708, 12995, 13385, 20792, 21416, 25990, 26770, 51980, 53540, 61571, 103960, 107080, 123142, 246284, 302501, 307855, 492568, 605002, 615710, 1210004, 1231420, 1512505, 2420008, 2462840, 3025010, 6050020, 6957523, 12100040, 13915046, 27830092, 34787615, 55660184, 69575230, 139150460, 278300920]

約数ペア:

[(1, 278300920), (2, 139150460), (4, 69575230), (5, 55660184), (8, 34787615), (10, 27830092), (20, 13915046), (23, 12100040), (40, 6957523), (46, 6050020), (92, 3025010), (113, 2462840), (115, 2420008), (184, 1512505), (226, 1231420), (230, 1210004), (452, 615710), (460, 605002), (565, 492568), (904, 307855), (920, 302501), (1130, 246284), (2260, 123142), (2599, 107080), (2677, 103960), (4520, 61571), (5198, 53540), (5354, 51980), (10396, 26770), (10708, 25990), (12995, 21416), (13385, 20792)]