5197804900

素因数分解:

$2^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{619}}^1\times {\mathrm{641}}^1$

素因数の和:1405

約数の個数: 72

約数和(自身を含む): 11401457760

約数和(自身を除く): 6203652860

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 131, 262, 524, 619, 641, 655, 1238, 1282, 1310, 2476, 2564, 2620, 3095, 3205, 3275, 6190, 6410, 6550, 12380, 12820, 13100, 15475, 16025, 30950, 32050, 61900, 64100, 81089, 83971, 162178, 167942, 324356, 335884, 396779, 405445, 419855, 793558, 810890, 839710, 1587116, 1621780, 1679420, 1983895, 2027225, 2099275, 3967790, 4054450, 4198550, 7935580, 8108900, 8397100, 9919475, 19838950, 39677900, 51978049, 103956098, 207912196, 259890245, 519780490, 1039560980, 1299451225, 2598902450, 5197804900]

約数ペア:

[(1, 5197804900), (2, 2598902450), (4, 1299451225), (5, 1039560980), (10, 519780490), (20, 259890245), (25, 207912196), (50, 103956098), (100, 51978049), (131, 39677900), (262, 19838950), (524, 9919475), (619, 8397100), (641, 8108900), (655, 7935580), (1238, 4198550), (1282, 4054450), (1310, 3967790), (2476, 2099275), (2564, 2027225), (2620, 1983895), (3095, 1679420), (3205, 1621780), (3275, 1587116), (6190, 839710), (6410, 810890), (6550, 793558), (12380, 419855), (12820, 405445), (13100, 396779), (15475, 335884), (16025, 324356), (30950, 167942), (32050, 162178), (61900, 83971), (64100, 81089)]