215185770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{157}}^2$

素因数の和:424

約数の個数: 72

約数和(自身を含む): 568874124

約数和(自身を除く): 353688354

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 97, 157, 194, 291, 314, 471, 485, 582, 785, 873, 942, 970, 1413, 1455, 1570, 1746, 2355, 2826, 2910, 4365, 4710, 7065, 8730, 14130, 15229, 24649, 30458, 45687, 49298, 73947, 76145, 91374, 123245, 137061, 147894, 152290, 221841, 228435, 246490, 274122, 369735, 443682, 456870, 685305, 739470, 1109205, 1370610, 2218410, 2390953, 4781906, 7172859, 11954765, 14345718, 21518577, 23909530, 35864295, 43037154, 71728590, 107592885, 215185770]

約数ペア:

[(1, 215185770), (2, 107592885), (3, 71728590), (5, 43037154), (6, 35864295), (9, 23909530), (10, 21518577), (15, 14345718), (18, 11954765), (30, 7172859), (45, 4781906), (90, 2390953), (97, 2218410), (157, 1370610), (194, 1109205), (291, 739470), (314, 685305), (471, 456870), (485, 443682), (582, 369735), (785, 274122), (873, 246490), (942, 228435), (970, 221841), (1413, 152290), (1455, 147894), (1570, 137061), (1746, 123245), (2355, 91374), (2826, 76145), (2910, 73947), (4365, 49298), (4710, 45687), (7065, 30458), (8730, 24649), (14130, 15229)]