31563350

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{991}}^1$

素因数の和:1030

約数の個数: 72

約数和(自身を含む): 73620288

約数和(自身を除く): 42056938

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 49, 50, 65, 70, 91, 98, 130, 175, 182, 245, 325, 350, 455, 490, 637, 650, 910, 991, 1225, 1274, 1982, 2275, 2450, 3185, 4550, 4955, 6370, 6937, 9910, 12883, 13874, 15925, 24775, 25766, 31850, 34685, 48559, 49550, 64415, 69370, 90181, 97118, 128830, 173425, 180362, 242795, 322075, 346850, 450905, 485590, 631267, 644150, 901810, 1213975, 1262534, 2254525, 2427950, 3156335, 4509050, 6312670, 15781675, 31563350]

約数ペア:

[(1, 31563350), (2, 15781675), (5, 6312670), (7, 4509050), (10, 3156335), (13, 2427950), (14, 2254525), (25, 1262534), (26, 1213975), (35, 901810), (49, 644150), (50, 631267), (65, 485590), (70, 450905), (91, 346850), (98, 322075), (130, 242795), (175, 180362), (182, 173425), (245, 128830), (325, 97118), (350, 90181), (455, 69370), (490, 64415), (637, 49550), (650, 48559), (910, 34685), (991, 31850), (1225, 25766), (1274, 24775), (1982, 15925), (2275, 13874), (2450, 12883), (3185, 9910), (4550, 6937), (4955, 6370)]