31821620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{541}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 71296848

約数和(自身を除く): 39475228

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 173, 340, 346, 541, 692, 865, 1082, 1730, 2164, 2705, 2941, 3460, 5410, 5882, 9197, 10820, 11764, 14705, 18394, 29410, 36788, 45985, 58820, 91970, 93593, 183940, 187186, 374372, 467965, 935930, 1591081, 1871860, 3182162, 6364324, 7955405, 15910810, 31821620]

約数ペア:

[(1, 31821620), (2, 15910810), (4, 7955405), (5, 6364324), (10, 3182162), (17, 1871860), (20, 1591081), (34, 935930), (68, 467965), (85, 374372), (170, 187186), (173, 183940), (340, 93593), (346, 91970), (541, 58820), (692, 45985), (865, 36788), (1082, 29410), (1730, 18394), (2164, 14705), (2705, 11764), (2941, 10820), (3460, 9197), (5410, 5882)]