984967220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1601}}^1\times {\mathrm{1619}}^1$

素因数の和:3248

約数の個数: 48

約数和(自身を含む): 2180001600

約数和(自身を除く): 1195034380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1601, 1619, 3202, 3238, 6404, 6476, 8005, 8095, 16010, 16190, 30419, 30761, 32020, 32380, 60838, 61522, 121676, 123044, 152095, 153805, 304190, 307610, 608380, 615220, 2592019, 5184038, 10368076, 12960095, 25920190, 49248361, 51840380, 98496722, 196993444, 246241805, 492483610, 984967220]

約数ペア:

[(1, 984967220), (2, 492483610), (4, 246241805), (5, 196993444), (10, 98496722), (19, 51840380), (20, 49248361), (38, 25920190), (76, 12960095), (95, 10368076), (190, 5184038), (380, 2592019), (1601, 615220), (1619, 608380), (3202, 307610), (3238, 304190), (6404, 153805), (6476, 152095), (8005, 123044), (8095, 121676), (16010, 61522), (16190, 60838), (30419, 32380), (30761, 32020)]