1270197100

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:344

約数の個数: 144

約数和(自身を含む): 2999808000

約数和(自身を除く): 1729610900

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 31, 50, 58, 62, 71, 100, 116, 124, 142, 145, 155, 199, 284, 290, 310, 355, 398, 580, 620, 710, 725, 775, 796, 899, 995, 1420, 1450, 1550, 1775, 1798, 1990, 2059, 2201, 2900, 3100, 3550, 3596, 3980, 4118, 4402, 4495, 4975, 5771, 6169, 7100, 8236, 8804, 8990, 9950, 10295, 11005, 11542, 12338, 14129, 17980, 19900, 20590, 22010, 22475, 23084, 24676, 28258, 28855, 30845, 41180, 44020, 44950, 51475, 55025, 56516, 57710, 61690, 63829, 70645, 89900, 102950, 110050, 115420, 123380, 127658, 141290, 144275, 154225, 178901, 205900, 220100, 255316, 282580, 288550, 308450, 319145, 353225, 357802, 409741, 437999, 577100, 616900, 638290, 706450, 715604, 819482, 875998, 894505, 1276580, 1412900, 1595725, 1638964, 1751996, 1789010, 2048705, 2189995, 3191450, 3578020, 4097410, 4379990, 4472525, 6382900, 8194820, 8759980, 8945050, 10243525, 10949975, 12701971, 17890100, 20487050, 21899950, 25403942, 40974100, 43799900, 50807884, 63509855, 127019710, 254039420, 317549275, 635098550, 1270197100]

約数ペア:

[(1, 1270197100), (2, 635098550), (4, 317549275), (5, 254039420), (10, 127019710), (20, 63509855), (25, 50807884), (29, 43799900), (31, 40974100), (50, 25403942), (58, 21899950), (62, 20487050), (71, 17890100), (100, 12701971), (116, 10949975), (124, 10243525), (142, 8945050), (145, 8759980), (155, 8194820), (199, 6382900), (284, 4472525), (290, 4379990), (310, 4097410), (355, 3578020), (398, 3191450), (580, 2189995), (620, 2048705), (710, 1789010), (725, 1751996), (775, 1638964), (796, 1595725), (899, 1412900), (995, 1276580), (1420, 894505), (1450, 875998), (1550, 819482), (1775, 715604), (1798, 706450), (1990, 638290), (2059, 616900), (2201, 577100), (2900, 437999), (3100, 409741), (3550, 357802), (3596, 353225), (3980, 319145), (4118, 308450), (4402, 288550), (4495, 282580), (4975, 255316), (5771, 220100), (6169, 205900), (7100, 178901), (8236, 154225), (8804, 144275), (8990, 141290), (9950, 127658), (10295, 123380), (11005, 115420), (11542, 110050), (12338, 102950), (14129, 89900), (17980, 70645), (19900, 63829), (20590, 61690), (22010, 57710), (22475, 56516), (23084, 55025), (24676, 51475), (28258, 44950), (28855, 44020), (30845, 41180)]