420121952

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{4919}}^1$

素因数の和:5103

約数の個数: 48

約数和(自身を含む): 881526240

約数和(自身を除く): 461404288

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 157, 272, 314, 544, 628, 1256, 2512, 2669, 4919, 5024, 5338, 9838, 10676, 19676, 21352, 39352, 42704, 78704, 83623, 85408, 157408, 167246, 334492, 668984, 772283, 1337968, 1544566, 2675936, 3089132, 6178264, 12356528, 13128811, 24713056, 26257622, 52515244, 105030488, 210060976, 420121952]

約数ペア:

[(1, 420121952), (2, 210060976), (4, 105030488), (8, 52515244), (16, 26257622), (17, 24713056), (32, 13128811), (34, 12356528), (68, 6178264), (136, 3089132), (157, 2675936), (272, 1544566), (314, 1337968), (544, 772283), (628, 668984), (1256, 334492), (2512, 167246), (2669, 157408), (4919, 85408), (5024, 83623), (5338, 78704), (9838, 42704), (10676, 39352), (19676, 21352)]