2680147000

素因数分解:

$2^3\times 5^3\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{397}}^1$

素因数の和:618

約数の個数: 128

約数和(自身を含む): 6474536640

約数和(自身を除く): 3794389640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 125, 157, 172, 200, 215, 250, 314, 344, 397, 430, 500, 628, 785, 794, 860, 1000, 1075, 1256, 1570, 1588, 1720, 1985, 2150, 3140, 3176, 3925, 3970, 4300, 5375, 6280, 6751, 7850, 7940, 8600, 9925, 10750, 13502, 15700, 15880, 17071, 19625, 19850, 21500, 27004, 31400, 33755, 34142, 39250, 39700, 43000, 49625, 54008, 62329, 67510, 68284, 78500, 79400, 85355, 99250, 124658, 135020, 136568, 157000, 168775, 170710, 198500, 249316, 270040, 311645, 337550, 341420, 397000, 426775, 498632, 623290, 675100, 682840, 843875, 853550, 1246580, 1350200, 1558225, 1687750, 1707100, 2133875, 2493160, 2680147, 3116450, 3375500, 3414200, 4267750, 5360294, 6232900, 6751000, 7791125, 8535500, 10720588, 12465800, 13400735, 15582250, 17071000, 21441176, 26801470, 31164500, 53602940, 62329000, 67003675, 107205880, 134007350, 268014700, 335018375, 536029400, 670036750, 1340073500, 2680147000]

約数ペア:

[(1, 2680147000), (2, 1340073500), (4, 670036750), (5, 536029400), (8, 335018375), (10, 268014700), (20, 134007350), (25, 107205880), (40, 67003675), (43, 62329000), (50, 53602940), (86, 31164500), (100, 26801470), (125, 21441176), (157, 17071000), (172, 15582250), (200, 13400735), (215, 12465800), (250, 10720588), (314, 8535500), (344, 7791125), (397, 6751000), (430, 6232900), (500, 5360294), (628, 4267750), (785, 3414200), (794, 3375500), (860, 3116450), (1000, 2680147), (1075, 2493160), (1256, 2133875), (1570, 1707100), (1588, 1687750), (1720, 1558225), (1985, 1350200), (2150, 1246580), (3140, 853550), (3176, 843875), (3925, 682840), (3970, 675100), (4300, 623290), (5375, 498632), (6280, 426775), (6751, 397000), (7850, 341420), (7940, 337550), (8600, 311645), (9925, 270040), (10750, 249316), (13502, 198500), (15700, 170710), (15880, 168775), (17071, 157000), (19625, 136568), (19850, 135020), (21500, 124658), (27004, 99250), (31400, 85355), (33755, 79400), (34142, 78500), (39250, 68284), (39700, 67510), (43000, 62329), (49625, 54008)]