7898387940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{196771}}^1$

素因数の和:197009

約数の個数: 72

約数和(自身を含む): 24066002688

約数和(自身を除く): 16167614748

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 223, 446, 669, 892, 1115, 1338, 2007, 2230, 2676, 3345, 4014, 4460, 6690, 8028, 10035, 13380, 20070, 40140, 196771, 393542, 590313, 787084, 983855, 1180626, 1770939, 1967710, 2361252, 2951565, 3541878, 3935420, 5903130, 7083756, 8854695, 11806260, 17709390, 35418780, 43879933, 87759866, 131639799, 175519732, 219399665, 263279598, 394919397, 438799330, 526559196, 658198995, 789838794, 877598660, 1316397990, 1579677588, 1974596985, 2632795980, 3949193970, 7898387940]

約数ペア:

[(1, 7898387940), (2, 3949193970), (3, 2632795980), (4, 1974596985), (5, 1579677588), (6, 1316397990), (9, 877598660), (10, 789838794), (12, 658198995), (15, 526559196), (18, 438799330), (20, 394919397), (30, 263279598), (36, 219399665), (45, 175519732), (60, 131639799), (90, 87759866), (180, 43879933), (223, 35418780), (446, 17709390), (669, 11806260), (892, 8854695), (1115, 7083756), (1338, 5903130), (2007, 3935420), (2230, 3541878), (2676, 2951565), (3345, 2361252), (4014, 1967710), (4460, 1770939), (6690, 1180626), (8028, 983855), (10035, 787084), (13380, 590313), (20070, 393542), (40140, 196771)]