359593820

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1\times {\mathrm{751}}^1$

素因数の和:1118

約数の個数: 48

約数和(自身を含む): 767491200

約数和(自身を除く): 407897380

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 269, 356, 445, 538, 751, 890, 1076, 1345, 1502, 1780, 2690, 3004, 3755, 5380, 7510, 15020, 23941, 47882, 66839, 95764, 119705, 133678, 202019, 239410, 267356, 334195, 404038, 478820, 668390, 808076, 1010095, 1336780, 2020190, 4040380, 17979691, 35959382, 71918764, 89898455, 179796910, 359593820]

約数ペア:

[(1, 359593820), (2, 179796910), (4, 89898455), (5, 71918764), (10, 35959382), (20, 17979691), (89, 4040380), (178, 2020190), (269, 1336780), (356, 1010095), (445, 808076), (538, 668390), (751, 478820), (890, 404038), (1076, 334195), (1345, 267356), (1502, 239410), (1780, 202019), (2690, 133678), (3004, 119705), (3755, 95764), (5380, 66839), (7510, 47882), (15020, 23941)]