100915280

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:484

約数の個数: 80

約数和(自身を含む): 244043904

約数和(自身を除く): 143128624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 103, 148, 185, 206, 296, 331, 370, 412, 515, 592, 662, 740, 824, 1030, 1324, 1480, 1648, 1655, 2060, 2648, 2960, 3310, 3811, 4120, 5296, 6620, 7622, 8240, 12247, 13240, 15244, 19055, 24494, 26480, 30488, 34093, 38110, 48988, 60976, 61235, 68186, 76220, 97976, 122470, 136372, 152440, 170465, 195952, 244940, 272744, 304880, 340930, 489880, 545488, 681860, 979760, 1261441, 1363720, 2522882, 2727440, 5045764, 6307205, 10091528, 12614410, 20183056, 25228820, 50457640, 100915280]

約数ペア:

[(1, 100915280), (2, 50457640), (4, 25228820), (5, 20183056), (8, 12614410), (10, 10091528), (16, 6307205), (20, 5045764), (37, 2727440), (40, 2522882), (74, 1363720), (80, 1261441), (103, 979760), (148, 681860), (185, 545488), (206, 489880), (296, 340930), (331, 304880), (370, 272744), (412, 244940), (515, 195952), (592, 170465), (662, 152440), (740, 136372), (824, 122470), (1030, 97976), (1324, 76220), (1480, 68186), (1648, 61235), (1655, 60976), (2060, 48988), (2648, 38110), (2960, 34093), (3310, 30488), (3811, 26480), (4120, 24494), (5296, 19055), (6620, 15244), (7622, 13240), (8240, 12247)]