4959380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 11343360

約数和(自身を除く): 6383980

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 421, 589, 620, 842, 1178, 1684, 2105, 2356, 2945, 4210, 5890, 7999, 8420, 11780, 13051, 15998, 26102, 31996, 39995, 52204, 65255, 79990, 130510, 159980, 247969, 261020, 495938, 991876, 1239845, 2479690, 4959380]

約数ペア:

[(1, 4959380), (2, 2479690), (4, 1239845), (5, 991876), (10, 495938), (19, 261020), (20, 247969), (31, 159980), (38, 130510), (62, 79990), (76, 65255), (95, 52204), (124, 39995), (155, 31996), (190, 26102), (310, 15998), (380, 13051), (421, 11780), (589, 8420), (620, 7999), (842, 5890), (1178, 4210), (1684, 2945), (2105, 2356)]