83728940

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{269}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 179625600

約数和(自身を除く): 95896660

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 197, 269, 316, 394, 395, 538, 788, 790, 985, 1076, 1345, 1580, 1970, 2690, 3940, 5380, 15563, 21251, 31126, 42502, 52993, 62252, 77815, 85004, 105986, 106255, 155630, 211972, 212510, 264965, 311260, 425020, 529930, 1059860, 4186447, 8372894, 16745788, 20932235, 41864470, 83728940]

約数ペア:

[(1, 83728940), (2, 41864470), (4, 20932235), (5, 16745788), (10, 8372894), (20, 4186447), (79, 1059860), (158, 529930), (197, 425020), (269, 311260), (316, 264965), (394, 212510), (395, 211972), (538, 155630), (788, 106255), (790, 105986), (985, 85004), (1076, 77815), (1345, 62252), (1580, 52993), (1970, 42502), (2690, 31126), (3940, 21251), (5380, 15563)]