450459140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{1019}}^1$

素因数の和:1113

約数の個数: 72

約数和(自身を含む): 1020962880

約数和(自身を除く): 570503740

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 115, 124, 155, 230, 310, 460, 620, 713, 961, 1019, 1426, 1922, 2038, 2852, 3565, 3844, 4076, 4805, 5095, 7130, 9610, 10190, 14260, 19220, 20380, 22103, 23437, 31589, 44206, 46874, 63178, 88412, 93748, 110515, 117185, 126356, 157945, 221030, 234370, 315890, 442060, 468740, 631780, 726547, 979259, 1453094, 1958518, 2906188, 3632735, 3917036, 4896295, 7265470, 9792590, 14530940, 19585180, 22522957, 45045914, 90091828, 112614785, 225229570, 450459140]

約数ペア:

[(1, 450459140), (2, 225229570), (4, 112614785), (5, 90091828), (10, 45045914), (20, 22522957), (23, 19585180), (31, 14530940), (46, 9792590), (62, 7265470), (92, 4896295), (115, 3917036), (124, 3632735), (155, 2906188), (230, 1958518), (310, 1453094), (460, 979259), (620, 726547), (713, 631780), (961, 468740), (1019, 442060), (1426, 315890), (1922, 234370), (2038, 221030), (2852, 157945), (3565, 126356), (3844, 117185), (4076, 110515), (4805, 93748), (5095, 88412), (7130, 63178), (9610, 46874), (10190, 44206), (14260, 31589), (19220, 23437), (20380, 22103)]