198958000

素因数分解:

$2^4\times 5^3\times {\mathrm{31}}^1\times {\mathrm{3209}}^1$

素因数の和:3263

約数の個数: 80

約数和(自身を含む): 496753920

約数和(自身を除く): 297795920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 125, 155, 200, 248, 250, 310, 400, 496, 500, 620, 775, 1000, 1240, 1550, 2000, 2480, 3100, 3209, 3875, 6200, 6418, 7750, 12400, 12836, 15500, 16045, 25672, 31000, 32090, 51344, 62000, 64180, 80225, 99479, 128360, 160450, 198958, 256720, 320900, 397916, 401125, 497395, 641800, 795832, 802250, 994790, 1283600, 1591664, 1604500, 1989580, 2486975, 3209000, 3979160, 4973950, 6418000, 7958320, 9947900, 12434875, 19895800, 24869750, 39791600, 49739500, 99479000, 198958000]

約数ペア:

[(1, 198958000), (2, 99479000), (4, 49739500), (5, 39791600), (8, 24869750), (10, 19895800), (16, 12434875), (20, 9947900), (25, 7958320), (31, 6418000), (40, 4973950), (50, 3979160), (62, 3209000), (80, 2486975), (100, 1989580), (124, 1604500), (125, 1591664), (155, 1283600), (200, 994790), (248, 802250), (250, 795832), (310, 641800), (400, 497395), (496, 401125), (500, 397916), (620, 320900), (775, 256720), (1000, 198958), (1240, 160450), (1550, 128360), (2000, 99479), (2480, 80225), (3100, 64180), (3209, 62000), (3875, 51344), (6200, 32090), (6418, 31000), (7750, 25672), (12400, 16045), (12836, 15500)]