78883725

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{281}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 138473280

約数和(自身を除く): 59589555

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 197, 281, 285, 475, 591, 843, 985, 1405, 1425, 2955, 3743, 4215, 4925, 5339, 7025, 11229, 14775, 16017, 18715, 21075, 26695, 55357, 56145, 80085, 93575, 133475, 166071, 276785, 280725, 400425, 830355, 1051783, 1383925, 3155349, 4151775, 5258915, 15776745, 26294575, 78883725]

約数ペア:

[(1, 78883725), (3, 26294575), (5, 15776745), (15, 5258915), (19, 4151775), (25, 3155349), (57, 1383925), (75, 1051783), (95, 830355), (197, 400425), (281, 280725), (285, 276785), (475, 166071), (591, 133475), (843, 93575), (985, 80085), (1405, 56145), (1425, 55357), (2955, 26695), (3743, 21075), (4215, 18715), (4925, 16017), (5339, 14775), (7025, 11229)]