287379950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{40193}}^1$

素因数の和:40229

約数の個数: 48

約数和(自身を含む): 627991056

約数和(自身を除く): 340611106

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 130, 143, 275, 286, 325, 550, 650, 715, 1430, 3575, 7150, 40193, 80386, 200965, 401930, 442123, 522509, 884246, 1004825, 1045018, 2009650, 2210615, 2612545, 4421230, 5225090, 5747599, 11053075, 11495198, 13062725, 22106150, 26125450, 28737995, 57475990, 143689975, 287379950]

約数ペア:

[(1, 287379950), (2, 143689975), (5, 57475990), (10, 28737995), (11, 26125450), (13, 22106150), (22, 13062725), (25, 11495198), (26, 11053075), (50, 5747599), (55, 5225090), (65, 4421230), (110, 2612545), (130, 2210615), (143, 2009650), (275, 1045018), (286, 1004825), (325, 884246), (550, 522509), (650, 442123), (715, 401930), (1430, 200965), (3575, 80386), (7150, 40193)]