2099900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:131

約数の個数: 72

約数和(自身を含む): 5249664

約数和(自身を除く): 3149764

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 25, 44, 46, 50, 55, 83, 92, 100, 110, 115, 166, 220, 230, 253, 275, 332, 415, 460, 506, 550, 575, 830, 913, 1012, 1100, 1150, 1265, 1660, 1826, 1909, 2075, 2300, 2530, 3652, 3818, 4150, 4565, 5060, 6325, 7636, 8300, 9130, 9545, 12650, 18260, 19090, 20999, 22825, 25300, 38180, 41998, 45650, 47725, 83996, 91300, 95450, 104995, 190900, 209990, 419980, 524975, 1049950, 2099900]

約数ペア:

[(1, 2099900), (2, 1049950), (4, 524975), (5, 419980), (10, 209990), (11, 190900), (20, 104995), (22, 95450), (23, 91300), (25, 83996), (44, 47725), (46, 45650), (50, 41998), (55, 38180), (83, 25300), (92, 22825), (100, 20999), (110, 19090), (115, 18260), (166, 12650), (220, 9545), (230, 9130), (253, 8300), (275, 7636), (332, 6325), (415, 5060), (460, 4565), (506, 4150), (550, 3818), (575, 3652), (830, 2530), (913, 2300), (1012, 2075), (1100, 1909), (1150, 1826), (1265, 1660)]