212468900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{131}}^1\times {\mathrm{331}}^1$

素因数の和:490

約数の個数: 108

約数和(自身を含む): 542059056

約数和(自身を除く): 329590156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 131, 140, 175, 196, 245, 262, 331, 350, 490, 524, 655, 662, 700, 917, 980, 1225, 1310, 1324, 1655, 1834, 2317, 2450, 2620, 3275, 3310, 3668, 4585, 4634, 4900, 6419, 6550, 6620, 8275, 9170, 9268, 11585, 12838, 13100, 16219, 16550, 18340, 22925, 23170, 25676, 32095, 32438, 33100, 43361, 45850, 46340, 57925, 64190, 64876, 81095, 86722, 91700, 115850, 128380, 160475, 162190, 173444, 216805, 231700, 303527, 320950, 324380, 405475, 433610, 607054, 641900, 810950, 867220, 1084025, 1214108, 1517635, 1621900, 2124689, 2168050, 3035270, 4249378, 4336100, 6070540, 7588175, 8498756, 10623445, 15176350, 21246890, 30352700, 42493780, 53117225, 106234450, 212468900]

約数ペア:

[(1, 212468900), (2, 106234450), (4, 53117225), (5, 42493780), (7, 30352700), (10, 21246890), (14, 15176350), (20, 10623445), (25, 8498756), (28, 7588175), (35, 6070540), (49, 4336100), (50, 4249378), (70, 3035270), (98, 2168050), (100, 2124689), (131, 1621900), (140, 1517635), (175, 1214108), (196, 1084025), (245, 867220), (262, 810950), (331, 641900), (350, 607054), (490, 433610), (524, 405475), (655, 324380), (662, 320950), (700, 303527), (917, 231700), (980, 216805), (1225, 173444), (1310, 162190), (1324, 160475), (1655, 128380), (1834, 115850), (2317, 91700), (2450, 86722), (2620, 81095), (3275, 64876), (3310, 64190), (3668, 57925), (4585, 46340), (4634, 45850), (4900, 43361), (6419, 33100), (6550, 32438), (6620, 32095), (8275, 25676), (9170, 23170), (9268, 22925), (11585, 18340), (12838, 16550), (13100, 16219)]