2147100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{421}}^1$

素因数の和:455

約数の個数: 72

約数和(自身を含む): 6593328

約数和(自身を除く): 4446228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 50, 51, 60, 68, 75, 85, 100, 102, 150, 170, 204, 255, 300, 340, 421, 425, 510, 842, 850, 1020, 1263, 1275, 1684, 1700, 2105, 2526, 2550, 4210, 5052, 5100, 6315, 7157, 8420, 10525, 12630, 14314, 21050, 21471, 25260, 28628, 31575, 35785, 42100, 42942, 63150, 71570, 85884, 107355, 126300, 143140, 178925, 214710, 357850, 429420, 536775, 715700, 1073550, 2147100]

約数ペア:

[(1, 2147100), (2, 1073550), (3, 715700), (4, 536775), (5, 429420), (6, 357850), (10, 214710), (12, 178925), (15, 143140), (17, 126300), (20, 107355), (25, 85884), (30, 71570), (34, 63150), (50, 42942), (51, 42100), (60, 35785), (68, 31575), (75, 28628), (85, 25260), (100, 21471), (102, 21050), (150, 14314), (170, 12630), (204, 10525), (255, 8420), (300, 7157), (340, 6315), (421, 5100), (425, 5052), (510, 4210), (842, 2550), (850, 2526), (1020, 2105), (1263, 1700), (1275, 1684)]