54746890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:319

約数の個数: 64

約数和(自身を含む): 112492800

約数和(自身を除く): 57745910

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 61, 82, 110, 122, 199, 205, 305, 398, 410, 451, 610, 671, 902, 995, 1342, 1990, 2189, 2255, 2501, 3355, 4378, 4510, 5002, 6710, 8159, 10945, 12139, 12505, 16318, 21890, 24278, 25010, 27511, 40795, 55022, 60695, 81590, 89749, 121390, 133529, 137555, 179498, 267058, 275110, 448745, 497699, 667645, 897490, 995398, 1335290, 2488495, 4976990, 5474689, 10949378, 27373445, 54746890]

約数ペア:

[(1, 54746890), (2, 27373445), (5, 10949378), (10, 5474689), (11, 4976990), (22, 2488495), (41, 1335290), (55, 995398), (61, 897490), (82, 667645), (110, 497699), (122, 448745), (199, 275110), (205, 267058), (305, 179498), (398, 137555), (410, 133529), (451, 121390), (610, 89749), (671, 81590), (902, 60695), (995, 55022), (1342, 40795), (1990, 27511), (2189, 25010), (2255, 24278), (2501, 21890), (3355, 16318), (4378, 12505), (4510, 12139), (5002, 10945), (6710, 8159)]