206959100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{661}}^1$

素因数の和:807

約数の個数: 72

約数和(自身を含む): 468886656

約数和(自身を除く): 261927556

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 101, 124, 155, 202, 310, 404, 505, 620, 661, 775, 1010, 1322, 1550, 2020, 2525, 2644, 3100, 3131, 3305, 5050, 6262, 6610, 10100, 12524, 13220, 15655, 16525, 20491, 31310, 33050, 40982, 62620, 66100, 66761, 78275, 81964, 102455, 133522, 156550, 204910, 267044, 313100, 333805, 409820, 512275, 667610, 1024550, 1335220, 1669025, 2049100, 2069591, 3338050, 4139182, 6676100, 8278364, 10347955, 20695910, 41391820, 51739775, 103479550, 206959100]

約数ペア:

[(1, 206959100), (2, 103479550), (4, 51739775), (5, 41391820), (10, 20695910), (20, 10347955), (25, 8278364), (31, 6676100), (50, 4139182), (62, 3338050), (100, 2069591), (101, 2049100), (124, 1669025), (155, 1335220), (202, 1024550), (310, 667610), (404, 512275), (505, 409820), (620, 333805), (661, 313100), (775, 267044), (1010, 204910), (1322, 156550), (1550, 133522), (2020, 102455), (2525, 81964), (2644, 78275), (3100, 66761), (3131, 66100), (3305, 62620), (5050, 40982), (6262, 33050), (6610, 31310), (10100, 20491), (12524, 16525), (13220, 15655)]