9918760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:482

約数の個数: 64

約数和(自身を含む): 24307200

約数和(自身を除く): 14388440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 421, 589, 620, 760, 842, 1178, 1240, 1684, 2105, 2356, 2945, 3368, 4210, 4712, 5890, 7999, 8420, 11780, 13051, 15998, 16840, 23560, 26102, 31996, 39995, 52204, 63992, 65255, 79990, 104408, 130510, 159980, 247969, 261020, 319960, 495938, 522040, 991876, 1239845, 1983752, 2479690, 4959380, 9918760]

約数ペア:

[(1, 9918760), (2, 4959380), (4, 2479690), (5, 1983752), (8, 1239845), (10, 991876), (19, 522040), (20, 495938), (31, 319960), (38, 261020), (40, 247969), (62, 159980), (76, 130510), (95, 104408), (124, 79990), (152, 65255), (155, 63992), (190, 52204), (248, 39995), (310, 31996), (380, 26102), (421, 23560), (589, 16840), (620, 15998), (760, 13051), (842, 11780), (1178, 8420), (1240, 7999), (1684, 5890), (2105, 4712), (2356, 4210), (2945, 3368)]