2158190500

素因数分解:

$2^2\times 5^3\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{491}}^1$

素因数の和:718

約数の個数: 96

約数和(自身を含む): 4835376000

約数和(自身を除く): 2677185500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 59, 100, 118, 125, 149, 236, 250, 295, 298, 491, 500, 590, 596, 745, 982, 1180, 1475, 1490, 1964, 2455, 2950, 2980, 3725, 4910, 5900, 7375, 7450, 8791, 9820, 12275, 14750, 14900, 17582, 18625, 24550, 28969, 29500, 35164, 37250, 43955, 49100, 57938, 61375, 73159, 74500, 87910, 115876, 122750, 144845, 146318, 175820, 219775, 245500, 289690, 292636, 365795, 439550, 579380, 724225, 731590, 879100, 1098875, 1448450, 1463180, 1828975, 2197750, 2896900, 3621125, 3657950, 4316381, 4395500, 7242250, 7315900, 8632762, 9144875, 14484500, 17265524, 18289750, 21581905, 36579500, 43163810, 86327620, 107909525, 215819050, 431638100, 539547625, 1079095250, 2158190500]

約数ペア:

[(1, 2158190500), (2, 1079095250), (4, 539547625), (5, 431638100), (10, 215819050), (20, 107909525), (25, 86327620), (50, 43163810), (59, 36579500), (100, 21581905), (118, 18289750), (125, 17265524), (149, 14484500), (236, 9144875), (250, 8632762), (295, 7315900), (298, 7242250), (491, 4395500), (500, 4316381), (590, 3657950), (596, 3621125), (745, 2896900), (982, 2197750), (1180, 1828975), (1475, 1463180), (1490, 1448450), (1964, 1098875), (2455, 879100), (2950, 731590), (2980, 724225), (3725, 579380), (4910, 439550), (5900, 365795), (7375, 292636), (7450, 289690), (8791, 245500), (9820, 219775), (12275, 175820), (14750, 146318), (14900, 144845), (17582, 122750), (18625, 115876), (24550, 87910), (28969, 74500), (29500, 73159), (35164, 61375), (37250, 57938), (43955, 49100)]