388398840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{353}}^1$

素因数の和:593

約数の個数: 128

約数和(自身を含む): 1197426240

約数和(自身を除く): 809027400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 106, 120, 159, 173, 212, 265, 318, 346, 353, 424, 519, 530, 636, 692, 706, 795, 865, 1038, 1059, 1060, 1272, 1384, 1412, 1590, 1730, 1765, 2076, 2118, 2120, 2595, 2824, 3180, 3460, 3530, 4152, 4236, 5190, 5295, 6360, 6920, 7060, 8472, 9169, 10380, 10590, 14120, 18338, 18709, 20760, 21180, 27507, 36676, 37418, 42360, 45845, 55014, 56127, 61069, 73352, 74836, 91690, 93545, 110028, 112254, 122138, 137535, 149672, 183207, 183380, 187090, 220056, 224508, 244276, 275070, 280635, 305345, 366414, 366760, 374180, 449016, 488552, 550140, 561270, 610690, 732828, 748360, 916035, 1100280, 1122540, 1221380, 1465656, 1832070, 2245080, 2442760, 3236657, 3664140, 6473314, 7328280, 9709971, 12946628, 16183285, 19419942, 25893256, 32366570, 38839884, 48549855, 64733140, 77679768, 97099710, 129466280, 194199420, 388398840]

約数ペア:

[(1, 388398840), (2, 194199420), (3, 129466280), (4, 97099710), (5, 77679768), (6, 64733140), (8, 48549855), (10, 38839884), (12, 32366570), (15, 25893256), (20, 19419942), (24, 16183285), (30, 12946628), (40, 9709971), (53, 7328280), (60, 6473314), (106, 3664140), (120, 3236657), (159, 2442760), (173, 2245080), (212, 1832070), (265, 1465656), (318, 1221380), (346, 1122540), (353, 1100280), (424, 916035), (519, 748360), (530, 732828), (636, 610690), (692, 561270), (706, 550140), (795, 488552), (865, 449016), (1038, 374180), (1059, 366760), (1060, 366414), (1272, 305345), (1384, 280635), (1412, 275070), (1590, 244276), (1730, 224508), (1765, 220056), (2076, 187090), (2118, 183380), (2120, 183207), (2595, 149672), (2824, 137535), (3180, 122138), (3460, 112254), (3530, 110028), (4152, 93545), (4236, 91690), (5190, 74836), (5295, 73352), (6360, 61069), (6920, 56127), (7060, 55014), (8472, 45845), (9169, 42360), (10380, 37418), (10590, 36676), (14120, 27507), (18338, 21180), (18709, 20760)]