2987790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:233

約数の個数: 64

約数和(自身を含む): 7934976

約数和(自身を除く): 4947186

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 47, 65, 78, 94, 130, 141, 163, 195, 235, 282, 326, 390, 470, 489, 611, 705, 815, 978, 1222, 1410, 1630, 1833, 2119, 2445, 3055, 3666, 4238, 4890, 6110, 6357, 7661, 9165, 10595, 12714, 15322, 18330, 21190, 22983, 31785, 38305, 45966, 63570, 76610, 99593, 114915, 199186, 229830, 298779, 497965, 597558, 995930, 1493895, 2987790]

約数ペア:

[(1, 2987790), (2, 1493895), (3, 995930), (5, 597558), (6, 497965), (10, 298779), (13, 229830), (15, 199186), (26, 114915), (30, 99593), (39, 76610), (47, 63570), (65, 45966), (78, 38305), (94, 31785), (130, 22983), (141, 21190), (163, 18330), (195, 15322), (235, 12714), (282, 10595), (326, 9165), (390, 7661), (470, 6357), (489, 6110), (611, 4890), (705, 4238), (815, 3666), (978, 3055), (1222, 2445), (1410, 2119), (1630, 1833)]