71437340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{14461}}^1$

素因数の和:14502

約数の個数: 48

約数和(自身を含む): 170073120

約数和(自身を除く): 98635780

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 14461, 28922, 57844, 72305, 144610, 187993, 274759, 289220, 375986, 549518, 751972, 939965, 1099036, 1373795, 1879930, 2747590, 3571867, 3759860, 5495180, 7143734, 14287468, 17859335, 35718670, 71437340]

約数ペア:

[(1, 71437340), (2, 35718670), (4, 17859335), (5, 14287468), (10, 7143734), (13, 5495180), (19, 3759860), (20, 3571867), (26, 2747590), (38, 1879930), (52, 1373795), (65, 1099036), (76, 939965), (95, 751972), (130, 549518), (190, 375986), (247, 289220), (260, 274759), (380, 187993), (494, 144610), (988, 72305), (1235, 57844), (2470, 28922), (4940, 14461)]