68681000

素因数分解:

$2^3\times 5^3\times {\mathrm{173}}^1\times {\mathrm{397}}^1$

素因数の和:591

約数の個数: 64

約数和(自身を含む): 162049680

約数和(自身を除く): 93368680

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 173, 200, 250, 346, 397, 500, 692, 794, 865, 1000, 1384, 1588, 1730, 1985, 3176, 3460, 3970, 4325, 6920, 7940, 8650, 9925, 15880, 17300, 19850, 21625, 34600, 39700, 43250, 49625, 68681, 79400, 86500, 99250, 137362, 173000, 198500, 274724, 343405, 397000, 549448, 686810, 1373620, 1717025, 2747240, 3434050, 6868100, 8585125, 13736200, 17170250, 34340500, 68681000]

約数ペア:

[(1, 68681000), (2, 34340500), (4, 17170250), (5, 13736200), (8, 8585125), (10, 6868100), (20, 3434050), (25, 2747240), (40, 1717025), (50, 1373620), (100, 686810), (125, 549448), (173, 397000), (200, 343405), (250, 274724), (346, 198500), (397, 173000), (500, 137362), (692, 99250), (794, 86500), (865, 79400), (1000, 68681), (1384, 49625), (1588, 43250), (1730, 39700), (1985, 34600), (3176, 21625), (3460, 19850), (3970, 17300), (4325, 15880), (6920, 9925), (7940, 8650)]