71498710

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:317

約数の個数: 64

約数和(自身を含む): 142848000

約数和(自身を除く): 71349290

約数列:

[1, 2, 5, 10, 19, 31, 38, 61, 62, 95, 122, 155, 190, 199, 305, 310, 398, 589, 610, 995, 1159, 1178, 1891, 1990, 2318, 2945, 3781, 3782, 5795, 5890, 6169, 7562, 9455, 11590, 12139, 12338, 18905, 18910, 24278, 30845, 35929, 37810, 60695, 61690, 71858, 117211, 121390, 179645, 230641, 234422, 359290, 376309, 461282, 586055, 752618, 1153205, 1172110, 1881545, 2306410, 3763090, 7149871, 14299742, 35749355, 71498710]

約数ペア:

[(1, 71498710), (2, 35749355), (5, 14299742), (10, 7149871), (19, 3763090), (31, 2306410), (38, 1881545), (61, 1172110), (62, 1153205), (95, 752618), (122, 586055), (155, 461282), (190, 376309), (199, 359290), (305, 234422), (310, 230641), (398, 179645), (589, 121390), (610, 117211), (995, 71858), (1159, 61690), (1178, 60695), (1891, 37810), (1990, 35929), (2318, 30845), (2945, 24278), (3781, 18910), (3782, 18905), (5795, 12338), (5890, 12139), (6169, 11590), (7562, 9455)]