200697100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{641}}^1$

素因数の和:787

約数の個数: 72

約数和(自身を含む): 454720896

約数和(自身を除く): 254023796

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 101, 124, 155, 202, 310, 404, 505, 620, 641, 775, 1010, 1282, 1550, 2020, 2525, 2564, 3100, 3131, 3205, 5050, 6262, 6410, 10100, 12524, 12820, 15655, 16025, 19871, 31310, 32050, 39742, 62620, 64100, 64741, 78275, 79484, 99355, 129482, 156550, 198710, 258964, 313100, 323705, 397420, 496775, 647410, 993550, 1294820, 1618525, 1987100, 2006971, 3237050, 4013942, 6474100, 8027884, 10034855, 20069710, 40139420, 50174275, 100348550, 200697100]

約数ペア:

[(1, 200697100), (2, 100348550), (4, 50174275), (5, 40139420), (10, 20069710), (20, 10034855), (25, 8027884), (31, 6474100), (50, 4013942), (62, 3237050), (100, 2006971), (101, 1987100), (124, 1618525), (155, 1294820), (202, 993550), (310, 647410), (404, 496775), (505, 397420), (620, 323705), (641, 313100), (775, 258964), (1010, 198710), (1282, 156550), (1550, 129482), (2020, 99355), (2525, 79484), (2564, 78275), (3100, 64741), (3131, 64100), (3205, 62620), (5050, 39742), (6262, 32050), (6410, 31310), (10100, 19871), (12524, 16025), (12820, 15655)]