128419000

素因数分解:

$2^3\times 5^3\times {\mathrm{53}}^1\times {\mathrm{2423}}^1$

素因数の和:2497

約数の個数: 64

約数和(自身を含む): 306296640

約数和(自身を除く): 177877640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 100, 106, 125, 200, 212, 250, 265, 424, 500, 530, 1000, 1060, 1325, 2120, 2423, 2650, 4846, 5300, 6625, 9692, 10600, 12115, 13250, 19384, 24230, 26500, 48460, 53000, 60575, 96920, 121150, 128419, 242300, 256838, 302875, 484600, 513676, 605750, 642095, 1027352, 1211500, 1284190, 2423000, 2568380, 3210475, 5136760, 6420950, 12841900, 16052375, 25683800, 32104750, 64209500, 128419000]

約数ペア:

[(1, 128419000), (2, 64209500), (4, 32104750), (5, 25683800), (8, 16052375), (10, 12841900), (20, 6420950), (25, 5136760), (40, 3210475), (50, 2568380), (53, 2423000), (100, 1284190), (106, 1211500), (125, 1027352), (200, 642095), (212, 605750), (250, 513676), (265, 484600), (424, 302875), (500, 256838), (530, 242300), (1000, 128419), (1060, 121150), (1325, 96920), (2120, 60575), (2423, 53000), (2650, 48460), (4846, 26500), (5300, 24230), (6625, 19384), (9692, 13250), (10600, 12115)]