2100098900

素因数分解:

$2^2\times 5^2\times {\mathrm{173}}^1\times {\mathrm{233}}^1\times {\mathrm{521}}^1$

素因数の和:941

約数の個数: 72

約数和(自身を含む): 4612064184

約数和(自身を除く): 2511965284

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 173, 233, 346, 466, 521, 692, 865, 932, 1042, 1165, 1730, 2084, 2330, 2605, 3460, 4325, 4660, 5210, 5825, 8650, 10420, 11650, 13025, 17300, 23300, 26050, 40309, 52100, 80618, 90133, 121393, 161236, 180266, 201545, 242786, 360532, 403090, 450665, 485572, 606965, 806180, 901330, 1007725, 1213930, 1802660, 2015450, 2253325, 2427860, 3034825, 4030900, 4506650, 6069650, 9013300, 12139300, 21000989, 42001978, 84003956, 105004945, 210009890, 420019780, 525024725, 1050049450, 2100098900]

約数ペア:

[(1, 2100098900), (2, 1050049450), (4, 525024725), (5, 420019780), (10, 210009890), (20, 105004945), (25, 84003956), (50, 42001978), (100, 21000989), (173, 12139300), (233, 9013300), (346, 6069650), (466, 4506650), (521, 4030900), (692, 3034825), (865, 2427860), (932, 2253325), (1042, 2015450), (1165, 1802660), (1730, 1213930), (2084, 1007725), (2330, 901330), (2605, 806180), (3460, 606965), (4325, 485572), (4660, 450665), (5210, 403090), (5825, 360532), (8650, 242786), (10420, 201545), (11650, 180266), (13025, 161236), (17300, 121393), (23300, 90133), (26050, 80618), (40309, 52100)]