1991361850

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^3\times {\mathrm{71}}^1$

素因数の和:193

約数の個数: 96

約数和(自身を含む): 4059383040

約数和(自身を除く): 2068021190

約数列:

[1, 2, 5, 10, 23, 25, 29, 46, 50, 58, 71, 115, 142, 145, 230, 290, 355, 575, 667, 710, 725, 841, 1150, 1334, 1450, 1633, 1682, 1775, 2059, 3266, 3335, 3550, 4118, 4205, 6670, 8165, 8410, 10295, 16330, 16675, 19343, 20590, 21025, 24389, 33350, 38686, 40825, 42050, 47357, 48778, 51475, 59711, 81650, 94714, 96715, 102950, 119422, 121945, 193430, 236785, 243890, 298555, 473570, 483575, 560947, 597110, 609725, 967150, 1121894, 1183925, 1219450, 1373353, 1492775, 1731619, 2367850, 2746706, 2804735, 2985550, 3463238, 5609470, 6866765, 8658095, 13733530, 14023675, 17316190, 28047350, 34333825, 39827237, 43290475, 68667650, 79654474, 86580950, 199136185, 398272370, 995680925, 1991361850]

約数ペア:

[(1, 1991361850), (2, 995680925), (5, 398272370), (10, 199136185), (23, 86580950), (25, 79654474), (29, 68667650), (46, 43290475), (50, 39827237), (58, 34333825), (71, 28047350), (115, 17316190), (142, 14023675), (145, 13733530), (230, 8658095), (290, 6866765), (355, 5609470), (575, 3463238), (667, 2985550), (710, 2804735), (725, 2746706), (841, 2367850), (1150, 1731619), (1334, 1492775), (1450, 1373353), (1633, 1219450), (1682, 1183925), (1775, 1121894), (2059, 967150), (3266, 609725), (3335, 597110), (3550, 560947), (4118, 483575), (4205, 473570), (6670, 298555), (8165, 243890), (8410, 236785), (10295, 193430), (16330, 121945), (16675, 119422), (19343, 102950), (20590, 96715), (21025, 94714), (24389, 81650), (33350, 59711), (38686, 51475), (40825, 48778), (42050, 47357)]