201228140

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{269}}^1\times {\mathrm{331}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 429196320

約数和(自身を除く): 227968180

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 269, 331, 452, 538, 565, 662, 1076, 1130, 1324, 1345, 1655, 2260, 2690, 3310, 5380, 6620, 30397, 37403, 60794, 74806, 89039, 121588, 149612, 151985, 178078, 187015, 303970, 356156, 374030, 445195, 607940, 748060, 890390, 1780780, 10061407, 20122814, 40245628, 50307035, 100614070, 201228140]

約数ペア:

[(1, 201228140), (2, 100614070), (4, 50307035), (5, 40245628), (10, 20122814), (20, 10061407), (113, 1780780), (226, 890390), (269, 748060), (331, 607940), (452, 445195), (538, 374030), (565, 356156), (662, 303970), (1076, 187015), (1130, 178078), (1324, 151985), (1345, 149612), (1655, 121588), (2260, 89039), (2690, 74806), (3310, 60794), (5380, 37403), (6620, 30397)]