61890980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{601}}^1$

素因数の和:900

約数の個数: 48

約数和(自身を含む): 137544960

約数和(自身を除く): 75653980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 271, 380, 542, 601, 1084, 1202, 1355, 2404, 2710, 3005, 5149, 5420, 6010, 10298, 11419, 12020, 20596, 22838, 25745, 45676, 51490, 57095, 102980, 114190, 162871, 228380, 325742, 651484, 814355, 1628710, 3094549, 3257420, 6189098, 12378196, 15472745, 30945490, 61890980]

約数ペア:

[(1, 61890980), (2, 30945490), (4, 15472745), (5, 12378196), (10, 6189098), (19, 3257420), (20, 3094549), (38, 1628710), (76, 814355), (95, 651484), (190, 325742), (271, 228380), (380, 162871), (542, 114190), (601, 102980), (1084, 57095), (1202, 51490), (1355, 45676), (2404, 25745), (2710, 22838), (3005, 20596), (5149, 12020), (5420, 11419), (6010, 10298)]