38722190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:357

約数の個数: 64

約数和(自身を含む): 80619840

約数和(自身を除く): 41897650

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 61, 65, 95, 122, 130, 190, 247, 257, 305, 494, 514, 610, 793, 1159, 1235, 1285, 1586, 2318, 2470, 2570, 3341, 3965, 4883, 5795, 6682, 7930, 9766, 11590, 15067, 15677, 16705, 24415, 30134, 31354, 33410, 48830, 63479, 75335, 78385, 126958, 150670, 156770, 203801, 297863, 317395, 407602, 595726, 634790, 1019005, 1489315, 2038010, 2978630, 3872219, 7744438, 19361095, 38722190]

約数ペア:

[(1, 38722190), (2, 19361095), (5, 7744438), (10, 3872219), (13, 2978630), (19, 2038010), (26, 1489315), (38, 1019005), (61, 634790), (65, 595726), (95, 407602), (122, 317395), (130, 297863), (190, 203801), (247, 156770), (257, 150670), (305, 126958), (494, 78385), (514, 75335), (610, 63479), (793, 48830), (1159, 33410), (1235, 31354), (1285, 30134), (1586, 24415), (2318, 16705), (2470, 15677), (2570, 15067), (3341, 11590), (3965, 9766), (4883, 7930), (5795, 6682)]