20171929900

素因数分解:

$2^2\times 5^2\times {\mathrm{83}}^1\times {\mathrm{743}}^1\times {\mathrm{3271}}^1$

素因数の和:4111

約数の個数: 72

約数和(自身を含む): 44373659904

約数和(自身を除く): 24201730004

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 83, 100, 166, 332, 415, 743, 830, 1486, 1660, 2075, 2972, 3271, 3715, 4150, 6542, 7430, 8300, 13084, 14860, 16355, 18575, 32710, 37150, 61669, 65420, 74300, 81775, 123338, 163550, 246676, 271493, 308345, 327100, 542986, 616690, 1085972, 1233380, 1357465, 1541725, 2430353, 2714930, 3083450, 4860706, 5429860, 6166900, 6787325, 9721412, 12151765, 13574650, 24303530, 27149300, 48607060, 60758825, 121517650, 201719299, 243035300, 403438598, 806877196, 1008596495, 2017192990, 4034385980, 5042982475, 10085964950, 20171929900]

約数ペア:

[(1, 20171929900), (2, 10085964950), (4, 5042982475), (5, 4034385980), (10, 2017192990), (20, 1008596495), (25, 806877196), (50, 403438598), (83, 243035300), (100, 201719299), (166, 121517650), (332, 60758825), (415, 48607060), (743, 27149300), (830, 24303530), (1486, 13574650), (1660, 12151765), (2075, 9721412), (2972, 6787325), (3271, 6166900), (3715, 5429860), (4150, 4860706), (6542, 3083450), (7430, 2714930), (8300, 2430353), (13084, 1541725), (14860, 1357465), (16355, 1233380), (18575, 1085972), (32710, 616690), (37150, 542986), (61669, 327100), (65420, 308345), (74300, 271493), (81775, 246676), (123338, 163550)]