220197760

素因数分解:

$2^7\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3547}}^1$

素因数の和:3663

約数の個数: 64

約数和(自身を含む): 531987120

約数和(自身を除く): 311789360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 194, 320, 388, 485, 640, 776, 970, 1552, 1940, 3104, 3547, 3880, 6208, 7094, 7760, 12416, 14188, 15520, 17735, 28376, 31040, 35470, 56752, 62080, 70940, 113504, 141880, 227008, 283760, 344059, 454016, 567520, 688118, 1135040, 1376236, 1720295, 2270080, 2752472, 3440590, 5504944, 6881180, 11009888, 13762360, 22019776, 27524720, 44039552, 55049440, 110098880, 220197760]

約数ペア:

[(1, 220197760), (2, 110098880), (4, 55049440), (5, 44039552), (8, 27524720), (10, 22019776), (16, 13762360), (20, 11009888), (32, 6881180), (40, 5504944), (64, 3440590), (80, 2752472), (97, 2270080), (128, 1720295), (160, 1376236), (194, 1135040), (320, 688118), (388, 567520), (485, 454016), (640, 344059), (776, 283760), (970, 227008), (1552, 141880), (1940, 113504), (3104, 70940), (3547, 62080), (3880, 56752), (6208, 35470), (7094, 31040), (7760, 28376), (12416, 17735), (14188, 15520)]