49951980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21347}}^1$

素因数の和:21375

約数の個数: 72

約数和(自身を含む): 163184112

約数和(自身を除く): 113232132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 21347, 42694, 64041, 85388, 106735, 128082, 192123, 213470, 256164, 277511, 320205, 384246, 426940, 555022, 640410, 768492, 832533, 960615, 1110044, 1280820, 1387555, 1665066, 1921230, 2497599, 2775110, 3330132, 3842460, 4162665, 4995198, 5550220, 8325330, 9990396, 12487995, 16650660, 24975990, 49951980]

約数ペア:

[(1, 49951980), (2, 24975990), (3, 16650660), (4, 12487995), (5, 9990396), (6, 8325330), (9, 5550220), (10, 4995198), (12, 4162665), (13, 3842460), (15, 3330132), (18, 2775110), (20, 2497599), (26, 1921230), (30, 1665066), (36, 1387555), (39, 1280820), (45, 1110044), (52, 960615), (60, 832533), (65, 768492), (78, 640410), (90, 555022), (117, 426940), (130, 384246), (156, 320205), (180, 277511), (195, 256164), (234, 213470), (260, 192123), (390, 128082), (468, 106735), (585, 85388), (780, 64041), (1170, 42694), (2340, 21347)]