138193040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{541}}^1$

素因数の和:688

約数の個数: 80

約数和(自身を含む): 335502336

約数和(自身を除く): 197309296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 103, 124, 155, 206, 248, 310, 412, 496, 515, 541, 620, 824, 1030, 1082, 1240, 1648, 2060, 2164, 2480, 2705, 3193, 4120, 4328, 5410, 6386, 8240, 8656, 10820, 12772, 15965, 16771, 21640, 25544, 31930, 33542, 43280, 51088, 55723, 63860, 67084, 83855, 111446, 127720, 134168, 167710, 222892, 255440, 268336, 278615, 335420, 445784, 557230, 670840, 891568, 1114460, 1341680, 1727413, 2228920, 3454826, 4457840, 6909652, 8637065, 13819304, 17274130, 27638608, 34548260, 69096520, 138193040]

約数ペア:

[(1, 138193040), (2, 69096520), (4, 34548260), (5, 27638608), (8, 17274130), (10, 13819304), (16, 8637065), (20, 6909652), (31, 4457840), (40, 3454826), (62, 2228920), (80, 1727413), (103, 1341680), (124, 1114460), (155, 891568), (206, 670840), (248, 557230), (310, 445784), (412, 335420), (496, 278615), (515, 268336), (541, 255440), (620, 222892), (824, 167710), (1030, 134168), (1082, 127720), (1240, 111446), (1648, 83855), (2060, 67084), (2164, 63860), (2480, 55723), (2705, 51088), (3193, 43280), (4120, 33542), (4328, 31930), (5410, 25544), (6386, 21640), (8240, 16771), (8656, 15965), (10820, 12772)]