285503920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{1013}}^1$

素因数の和:1310

約数の個数: 80

約数和(自身を含む): 718204032

約数和(自身を除く): 432700112

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 271, 520, 542, 1013, 1040, 1084, 1355, 2026, 2168, 2710, 3523, 4052, 4336, 5065, 5420, 7046, 8104, 10130, 10840, 13169, 14092, 16208, 17615, 20260, 21680, 26338, 28184, 35230, 40520, 52676, 56368, 65845, 70460, 81040, 105352, 131690, 140920, 210704, 263380, 274523, 281840, 526760, 549046, 1053520, 1098092, 1372615, 2196184, 2745230, 3568799, 4392368, 5490460, 7137598, 10980920, 14275196, 17843995, 21961840, 28550392, 35687990, 57100784, 71375980, 142751960, 285503920]

約数ペア:

[(1, 285503920), (2, 142751960), (4, 71375980), (5, 57100784), (8, 35687990), (10, 28550392), (13, 21961840), (16, 17843995), (20, 14275196), (26, 10980920), (40, 7137598), (52, 5490460), (65, 4392368), (80, 3568799), (104, 2745230), (130, 2196184), (208, 1372615), (260, 1098092), (271, 1053520), (520, 549046), (542, 526760), (1013, 281840), (1040, 274523), (1084, 263380), (1355, 210704), (2026, 140920), (2168, 131690), (2710, 105352), (3523, 81040), (4052, 70460), (4336, 65845), (5065, 56368), (5420, 52676), (7046, 40520), (8104, 35230), (10130, 28184), (10840, 26338), (13169, 21680), (14092, 20260), (16208, 17615)]