216857100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{421}}^1$

素因数の和:556

約数の個数: 144

約数和(自身を含む): 672519456

約数和(自身を除く): 455662356

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 50, 51, 60, 68, 75, 85, 100, 101, 102, 150, 170, 202, 204, 255, 300, 303, 340, 404, 421, 425, 505, 510, 606, 842, 850, 1010, 1020, 1212, 1263, 1275, 1515, 1684, 1700, 1717, 2020, 2105, 2525, 2526, 2550, 3030, 3434, 4210, 5050, 5052, 5100, 5151, 6060, 6315, 6868, 7157, 7575, 8420, 8585, 10100, 10302, 10525, 12630, 14314, 15150, 17170, 20604, 21050, 21471, 25260, 25755, 28628, 30300, 31575, 34340, 35785, 42100, 42521, 42925, 42942, 51510, 63150, 71570, 85042, 85850, 85884, 103020, 107355, 126300, 127563, 128775, 143140, 170084, 171700, 178925, 212605, 214710, 255126, 257550, 357850, 425210, 429420, 510252, 515100, 536775, 637815, 715700, 722857, 850420, 1063025, 1073550, 1275630, 1445714, 2126050, 2147100, 2168571, 2551260, 2891428, 3189075, 3614285, 4252100, 4337142, 6378150, 7228570, 8674284, 10842855, 12756300, 14457140, 18071425, 21685710, 36142850, 43371420, 54214275, 72285700, 108428550, 216857100]

約数ペア:

[(1, 216857100), (2, 108428550), (3, 72285700), (4, 54214275), (5, 43371420), (6, 36142850), (10, 21685710), (12, 18071425), (15, 14457140), (17, 12756300), (20, 10842855), (25, 8674284), (30, 7228570), (34, 6378150), (50, 4337142), (51, 4252100), (60, 3614285), (68, 3189075), (75, 2891428), (85, 2551260), (100, 2168571), (101, 2147100), (102, 2126050), (150, 1445714), (170, 1275630), (202, 1073550), (204, 1063025), (255, 850420), (300, 722857), (303, 715700), (340, 637815), (404, 536775), (421, 515100), (425, 510252), (505, 429420), (510, 425210), (606, 357850), (842, 257550), (850, 255126), (1010, 214710), (1020, 212605), (1212, 178925), (1263, 171700), (1275, 170084), (1515, 143140), (1684, 128775), (1700, 127563), (1717, 126300), (2020, 107355), (2105, 103020), (2525, 85884), (2526, 85850), (2550, 85042), (3030, 71570), (3434, 63150), (4210, 51510), (5050, 42942), (5052, 42925), (5100, 42521), (5151, 42100), (6060, 35785), (6315, 34340), (6868, 31575), (7157, 30300), (7575, 28628), (8420, 25755), (8585, 25260), (10100, 21471), (10302, 21050), (10525, 20604), (12630, 17170), (14314, 15150)]