99027620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{619}}^1$

素因数の和:1068

約数の個数: 48

約数和(自身を含む): 219777600

約数和(自身を除く): 120749980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 421, 619, 842, 1238, 1684, 2105, 2476, 3095, 4210, 6190, 7999, 8420, 11761, 12380, 15998, 23522, 31996, 39995, 47044, 58805, 79990, 117610, 159980, 235220, 260599, 521198, 1042396, 1302995, 2605990, 4951381, 5211980, 9902762, 19805524, 24756905, 49513810, 99027620]

約数ペア:

[(1, 99027620), (2, 49513810), (4, 24756905), (5, 19805524), (10, 9902762), (19, 5211980), (20, 4951381), (38, 2605990), (76, 1302995), (95, 1042396), (190, 521198), (380, 260599), (421, 235220), (619, 159980), (842, 117610), (1238, 79990), (1684, 58805), (2105, 47044), (2476, 39995), (3095, 31996), (4210, 23522), (6190, 15998), (7999, 12380), (8420, 11761)]