381415100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{1289}}^1$

素因数の和:1583

約数の個数: 72

約数和(自身を含む): 906973200

約数和(自身を除く): 525558100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 269, 275, 538, 550, 1076, 1100, 1289, 1345, 2578, 2690, 2959, 5156, 5380, 5918, 6445, 6725, 11836, 12890, 13450, 14179, 14795, 25780, 26900, 28358, 29590, 32225, 56716, 59180, 64450, 70895, 73975, 128900, 141790, 147950, 283580, 295900, 346741, 354475, 693482, 708950, 1386964, 1417900, 1733705, 3467410, 3814151, 6934820, 7628302, 8668525, 15256604, 17337050, 19070755, 34674100, 38141510, 76283020, 95353775, 190707550, 381415100]

約数ペア:

[(1, 381415100), (2, 190707550), (4, 95353775), (5, 76283020), (10, 38141510), (11, 34674100), (20, 19070755), (22, 17337050), (25, 15256604), (44, 8668525), (50, 7628302), (55, 6934820), (100, 3814151), (110, 3467410), (220, 1733705), (269, 1417900), (275, 1386964), (538, 708950), (550, 693482), (1076, 354475), (1100, 346741), (1289, 295900), (1345, 283580), (2578, 147950), (2690, 141790), (2959, 128900), (5156, 73975), (5380, 70895), (5918, 64450), (6445, 59180), (6725, 56716), (11836, 32225), (12890, 29590), (13450, 28358), (14179, 26900), (14795, 25780)]