651648400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1109}}^1$

素因数の和:1253

約数の個数: 120

約数和(自身を含む): 1702469160

約数和(自身を除く): 1050820760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 113, 130, 200, 208, 226, 260, 325, 400, 452, 520, 565, 650, 904, 1040, 1109, 1130, 1300, 1469, 1808, 2218, 2260, 2600, 2825, 2938, 4436, 4520, 5200, 5545, 5650, 5876, 7345, 8872, 9040, 11090, 11300, 11752, 14417, 14690, 17744, 22180, 22600, 23504, 27725, 28834, 29380, 36725, 44360, 45200, 55450, 57668, 58760, 72085, 73450, 88720, 110900, 115336, 117520, 125317, 144170, 146900, 221800, 230672, 250634, 288340, 293800, 360425, 443600, 501268, 576680, 587600, 626585, 720850, 1002536, 1153360, 1253170, 1441700, 1629121, 2005072, 2506340, 2883400, 3132925, 3258242, 5012680, 5766800, 6265850, 6516484, 8145605, 10025360, 12531700, 13032968, 16291210, 25063400, 26065936, 32582420, 40728025, 50126800, 65164840, 81456050, 130329680, 162912100, 325824200, 651648400]

約数ペア:

[(1, 651648400), (2, 325824200), (4, 162912100), (5, 130329680), (8, 81456050), (10, 65164840), (13, 50126800), (16, 40728025), (20, 32582420), (25, 26065936), (26, 25063400), (40, 16291210), (50, 13032968), (52, 12531700), (65, 10025360), (80, 8145605), (100, 6516484), (104, 6265850), (113, 5766800), (130, 5012680), (200, 3258242), (208, 3132925), (226, 2883400), (260, 2506340), (325, 2005072), (400, 1629121), (452, 1441700), (520, 1253170), (565, 1153360), (650, 1002536), (904, 720850), (1040, 626585), (1109, 587600), (1130, 576680), (1300, 501268), (1469, 443600), (1808, 360425), (2218, 293800), (2260, 288340), (2600, 250634), (2825, 230672), (2938, 221800), (4436, 146900), (4520, 144170), (5200, 125317), (5545, 117520), (5650, 115336), (5876, 110900), (7345, 88720), (8872, 73450), (9040, 72085), (11090, 58760), (11300, 57668), (11752, 55450), (14417, 45200), (14690, 44360), (17744, 36725), (22180, 29380), (22600, 28834), (23504, 27725)]