291225460

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{6701}}^1$

素因数の和:6804

約数の個数: 48

約数和(自身を含む): 638405712

約数和(自身を除く): 347180252

約数列:

[1, 2, 4, 5, 10, 20, 41, 53, 82, 106, 164, 205, 212, 265, 410, 530, 820, 1060, 2173, 4346, 6701, 8692, 10865, 13402, 21730, 26804, 33505, 43460, 67010, 134020, 274741, 355153, 549482, 710306, 1098964, 1373705, 1420612, 1775765, 2747410, 3551530, 5494820, 7103060, 14561273, 29122546, 58245092, 72806365, 145612730, 291225460]

約数ペア:

[(1, 291225460), (2, 145612730), (4, 72806365), (5, 58245092), (10, 29122546), (20, 14561273), (41, 7103060), (53, 5494820), (82, 3551530), (106, 2747410), (164, 1775765), (205, 1420612), (212, 1373705), (265, 1098964), (410, 710306), (530, 549482), (820, 355153), (1060, 274741), (2173, 134020), (4346, 67010), (6701, 43460), (8692, 33505), (10865, 26804), (13402, 21730)]