152308840

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{307}}^1$

素因数の和:554

約数の個数: 64

約数和(自身を含む): 350380800

約数和(自身を除く): 198071960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 157, 158, 307, 314, 316, 395, 614, 628, 632, 785, 790, 1228, 1256, 1535, 1570, 1580, 2456, 3070, 3140, 3160, 6140, 6280, 12280, 12403, 24253, 24806, 48199, 48506, 49612, 62015, 96398, 97012, 99224, 121265, 124030, 192796, 194024, 240995, 242530, 248060, 385592, 481990, 485060, 496120, 963980, 970120, 1927960, 3807721, 7615442, 15230884, 19038605, 30461768, 38077210, 76154420, 152308840]

約数ペア:

[(1, 152308840), (2, 76154420), (4, 38077210), (5, 30461768), (8, 19038605), (10, 15230884), (20, 7615442), (40, 3807721), (79, 1927960), (157, 970120), (158, 963980), (307, 496120), (314, 485060), (316, 481990), (395, 385592), (614, 248060), (628, 242530), (632, 240995), (785, 194024), (790, 192796), (1228, 124030), (1256, 121265), (1535, 99224), (1570, 97012), (1580, 96398), (2456, 62015), (3070, 49612), (3140, 48506), (3160, 48199), (6140, 24806), (6280, 24253), (12280, 12403)]