131993750

素因数分解:

$2^1\times 5^5\times 7^2\times {\mathrm{431}}^1$

素因数の和:472

約数の個数: 72

約数和(自身を含む): 288544032

約数和(自身を除く): 156550282

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 125, 175, 245, 250, 350, 431, 490, 625, 862, 875, 1225, 1250, 1750, 2155, 2450, 3017, 3125, 4310, 4375, 6034, 6125, 6250, 8750, 10775, 12250, 15085, 21119, 21550, 21875, 30170, 30625, 42238, 43750, 53875, 61250, 75425, 105595, 107750, 150850, 153125, 211190, 269375, 306250, 377125, 527975, 538750, 754250, 1055950, 1346875, 1885625, 2639875, 2693750, 3771250, 5279750, 9428125, 13199375, 18856250, 26398750, 65996875, 131993750]

約数ペア:

[(1, 131993750), (2, 65996875), (5, 26398750), (7, 18856250), (10, 13199375), (14, 9428125), (25, 5279750), (35, 3771250), (49, 2693750), (50, 2639875), (70, 1885625), (98, 1346875), (125, 1055950), (175, 754250), (245, 538750), (250, 527975), (350, 377125), (431, 306250), (490, 269375), (625, 211190), (862, 153125), (875, 150850), (1225, 107750), (1250, 105595), (1750, 75425), (2155, 61250), (2450, 53875), (3017, 43750), (3125, 42238), (4310, 30625), (4375, 30170), (6034, 21875), (6125, 21550), (6250, 21119), (8750, 15085), (10775, 12250)]