90636280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{353}}^1$

素因数の和:509

約数の個数: 96

約数和(自身を含む): 239714640

約数和(自身を除く): 149078360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 131, 140, 196, 245, 262, 280, 353, 392, 490, 524, 655, 706, 917, 980, 1048, 1310, 1412, 1765, 1834, 1960, 2471, 2620, 2824, 3530, 3668, 4585, 4942, 5240, 6419, 7060, 7336, 9170, 9884, 12355, 12838, 14120, 17297, 18340, 19768, 24710, 25676, 32095, 34594, 36680, 46243, 49420, 51352, 64190, 69188, 86485, 92486, 98840, 128380, 138376, 172970, 184972, 231215, 256760, 323701, 345940, 369944, 462430, 647402, 691880, 924860, 1294804, 1618505, 1849720, 2265907, 2589608, 3237010, 4531814, 6474020, 9063628, 11329535, 12948040, 18127256, 22659070, 45318140, 90636280]

約数ペア:

[(1, 90636280), (2, 45318140), (4, 22659070), (5, 18127256), (7, 12948040), (8, 11329535), (10, 9063628), (14, 6474020), (20, 4531814), (28, 3237010), (35, 2589608), (40, 2265907), (49, 1849720), (56, 1618505), (70, 1294804), (98, 924860), (131, 691880), (140, 647402), (196, 462430), (245, 369944), (262, 345940), (280, 323701), (353, 256760), (392, 231215), (490, 184972), (524, 172970), (655, 138376), (706, 128380), (917, 98840), (980, 92486), (1048, 86485), (1310, 69188), (1412, 64190), (1765, 51352), (1834, 49420), (1960, 46243), (2471, 36680), (2620, 34594), (2824, 32095), (3530, 25676), (3668, 24710), (4585, 19768), (4942, 18340), (5240, 17297), (6419, 14120), (7060, 12838), (7336, 12355), (9170, 9884)]