210895480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{3209}}^1$

素因数の和:3304

約数の個数: 64

約数和(自身を含む): 499219200

約数和(自身を除く): 288323720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 53, 62, 106, 124, 155, 212, 248, 265, 310, 424, 530, 620, 1060, 1240, 1643, 2120, 3209, 3286, 6418, 6572, 8215, 12836, 13144, 16045, 16430, 25672, 32090, 32860, 64180, 65720, 99479, 128360, 170077, 198958, 340154, 397916, 497395, 680308, 795832, 850385, 994790, 1360616, 1700770, 1989580, 3401540, 3979160, 5272387, 6803080, 10544774, 21089548, 26361935, 42179096, 52723870, 105447740, 210895480]

約数ペア:

[(1, 210895480), (2, 105447740), (4, 52723870), (5, 42179096), (8, 26361935), (10, 21089548), (20, 10544774), (31, 6803080), (40, 5272387), (53, 3979160), (62, 3401540), (106, 1989580), (124, 1700770), (155, 1360616), (212, 994790), (248, 850385), (265, 795832), (310, 680308), (424, 497395), (530, 397916), (620, 340154), (1060, 198958), (1240, 170077), (1643, 128360), (2120, 99479), (3209, 65720), (3286, 64180), (6418, 32860), (6572, 32090), (8215, 25672), (12836, 16430), (13144, 16045)]