304398320

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{1109}}^1$

素因数の和:1242

約数の個数: 80

約数和(自身を含む): 733345920

約数和(自身を除く): 428947600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 73, 80, 94, 146, 188, 235, 292, 365, 376, 470, 584, 730, 752, 940, 1109, 1168, 1460, 1880, 2218, 2920, 3431, 3760, 4436, 5545, 5840, 6862, 8872, 11090, 13724, 17155, 17744, 22180, 27448, 34310, 44360, 52123, 54896, 68620, 80957, 88720, 104246, 137240, 161914, 208492, 260615, 274480, 323828, 404785, 416984, 521230, 647656, 809570, 833968, 1042460, 1295312, 1619140, 2084920, 3238280, 3804979, 4169840, 6476560, 7609958, 15219916, 19024895, 30439832, 38049790, 60879664, 76099580, 152199160, 304398320]

約数ペア:

[(1, 304398320), (2, 152199160), (4, 76099580), (5, 60879664), (8, 38049790), (10, 30439832), (16, 19024895), (20, 15219916), (40, 7609958), (47, 6476560), (73, 4169840), (80, 3804979), (94, 3238280), (146, 2084920), (188, 1619140), (235, 1295312), (292, 1042460), (365, 833968), (376, 809570), (470, 647656), (584, 521230), (730, 416984), (752, 404785), (940, 323828), (1109, 274480), (1168, 260615), (1460, 208492), (1880, 161914), (2218, 137240), (2920, 104246), (3431, 88720), (3760, 80957), (4436, 68620), (5545, 54896), (5840, 52123), (6862, 44360), (8872, 34310), (11090, 27448), (13724, 22180), (17155, 17744)]