1900647940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{947}}^1\times {\mathrm{5903}}^1$

素因数の和:6876

約数の個数: 48

約数和(自身を含む): 4231325952

約数和(自身を除く): 2330678012

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 947, 1894, 3788, 4735, 5903, 9470, 11806, 16099, 18940, 23612, 29515, 32198, 59030, 64396, 80495, 100351, 118060, 160990, 200702, 321980, 401404, 501755, 1003510, 2007020, 5590141, 11180282, 22360564, 27950705, 55901410, 95032397, 111802820, 190064794, 380129588, 475161985, 950323970, 1900647940]

約数ペア:

[(1, 1900647940), (2, 950323970), (4, 475161985), (5, 380129588), (10, 190064794), (17, 111802820), (20, 95032397), (34, 55901410), (68, 27950705), (85, 22360564), (170, 11180282), (340, 5590141), (947, 2007020), (1894, 1003510), (3788, 501755), (4735, 401404), (5903, 321980), (9470, 200702), (11806, 160990), (16099, 118060), (18940, 100351), (23612, 80495), (29515, 64396), (32198, 59030)]