38928980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1877}}^1$

素因数の和:1964

約数の個数: 48

約数和(自身を含む): 88025616

約数和(自身を除く): 49096636

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 244, 305, 340, 610, 1037, 1220, 1877, 2074, 3754, 4148, 5185, 7508, 9385, 10370, 18770, 20740, 31909, 37540, 63818, 114497, 127636, 159545, 228994, 319090, 457988, 572485, 638180, 1144970, 1946449, 2289940, 3892898, 7785796, 9732245, 19464490, 38928980]

約数ペア:

[(1, 38928980), (2, 19464490), (4, 9732245), (5, 7785796), (10, 3892898), (17, 2289940), (20, 1946449), (34, 1144970), (61, 638180), (68, 572485), (85, 457988), (122, 319090), (170, 228994), (244, 159545), (305, 127636), (340, 114497), (610, 63818), (1037, 37540), (1220, 31909), (1877, 20740), (2074, 18770), (3754, 10370), (4148, 9385), (5185, 7508)]