213090280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{13219}}^1$

素因数の和:13274

約数の個数: 64

約数和(自身を含む): 533030400

約数和(自身を除く): 319940120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 13219, 16120, 26438, 52876, 66095, 105752, 132190, 171847, 264380, 343694, 409789, 528760, 687388, 819578, 859235, 1374776, 1639156, 1718470, 2048945, 3278312, 3436940, 4097890, 5327257, 6873880, 8195780, 10654514, 16391560, 21309028, 26636285, 42618056, 53272570, 106545140, 213090280]

約数ペア:

[(1, 213090280), (2, 106545140), (4, 53272570), (5, 42618056), (8, 26636285), (10, 21309028), (13, 16391560), (20, 10654514), (26, 8195780), (31, 6873880), (40, 5327257), (52, 4097890), (62, 3436940), (65, 3278312), (104, 2048945), (124, 1718470), (130, 1639156), (155, 1374776), (248, 859235), (260, 819578), (310, 687388), (403, 528760), (520, 409789), (620, 343694), (806, 264380), (1240, 171847), (1612, 132190), (2015, 105752), (3224, 66095), (4030, 52876), (8060, 26438), (13219, 16120)]