202149940

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{1319}}^1$

素因数の和:1504

約数の個数: 48

約数和(自身を含む): 434649600

約数和(自身を除く): 232499660

約数列:

[1, 2, 4, 5, 10, 20, 79, 97, 158, 194, 316, 388, 395, 485, 790, 970, 1319, 1580, 1940, 2638, 5276, 6595, 7663, 13190, 15326, 26380, 30652, 38315, 76630, 104201, 127943, 153260, 208402, 255886, 416804, 511772, 521005, 639715, 1042010, 1279430, 2084020, 2558860, 10107497, 20214994, 40429988, 50537485, 101074970, 202149940]

約数ペア:

[(1, 202149940), (2, 101074970), (4, 50537485), (5, 40429988), (10, 20214994), (20, 10107497), (79, 2558860), (97, 2084020), (158, 1279430), (194, 1042010), (316, 639715), (388, 521005), (395, 511772), (485, 416804), (790, 255886), (970, 208402), (1319, 153260), (1580, 127943), (1940, 104201), (2638, 76630), (5276, 38315), (6595, 30652), (7663, 26380), (13190, 15326)]