27979590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{257}}^1$

素因数の和:477

約数の個数: 64

約数和(自身を含む): 71331840

約数和(自身を除く): 43352250

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 191, 257, 285, 382, 514, 570, 573, 771, 955, 1146, 1285, 1542, 1910, 2570, 2865, 3629, 3855, 4883, 5730, 7258, 7710, 9766, 10887, 14649, 18145, 21774, 24415, 29298, 36290, 48830, 49087, 54435, 73245, 98174, 108870, 146490, 147261, 245435, 294522, 490870, 736305, 932653, 1472610, 1865306, 2797959, 4663265, 5595918, 9326530, 13989795, 27979590]

約数ペア:

[(1, 27979590), (2, 13989795), (3, 9326530), (5, 5595918), (6, 4663265), (10, 2797959), (15, 1865306), (19, 1472610), (30, 932653), (38, 736305), (57, 490870), (95, 294522), (114, 245435), (190, 147261), (191, 146490), (257, 108870), (285, 98174), (382, 73245), (514, 54435), (570, 49087), (573, 48830), (771, 36290), (955, 29298), (1146, 24415), (1285, 21774), (1542, 18145), (1910, 14649), (2570, 10887), (2865, 9766), (3629, 7710), (3855, 7258), (4883, 5730)]