207940980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{20507}}^1$

素因数の和:20545

約数の個数: 72

約数和(自身を含む): 630497952

約数和(自身を除く): 422556972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 676, 780, 845, 1014, 1690, 2028, 2535, 3380, 5070, 10140, 20507, 41014, 61521, 82028, 102535, 123042, 205070, 246084, 266591, 307605, 410140, 533182, 615210, 799773, 1066364, 1230420, 1332955, 1599546, 2665910, 3199092, 3465683, 3998865, 5331820, 6931366, 7997730, 10397049, 13862732, 15995460, 17328415, 20794098, 34656830, 41588196, 51985245, 69313660, 103970490, 207940980]

約数ペア:

[(1, 207940980), (2, 103970490), (3, 69313660), (4, 51985245), (5, 41588196), (6, 34656830), (10, 20794098), (12, 17328415), (13, 15995460), (15, 13862732), (20, 10397049), (26, 7997730), (30, 6931366), (39, 5331820), (52, 3998865), (60, 3465683), (65, 3199092), (78, 2665910), (130, 1599546), (156, 1332955), (169, 1230420), (195, 1066364), (260, 799773), (338, 615210), (390, 533182), (507, 410140), (676, 307605), (780, 266591), (845, 246084), (1014, 205070), (1690, 123042), (2028, 102535), (2535, 82028), (3380, 61521), (5070, 41014), (10140, 20507)]