209923320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{56431}}^1$

素因数の和:56476

約数の個数: 64

約数和(自身を含む): 650096640

約数和(自身を除く): 440173320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 56431, 112862, 169293, 225724, 282155, 338586, 451448, 564310, 677172, 846465, 1128620, 1354344, 1692930, 1749361, 2257240, 3385860, 3498722, 5248083, 6771720, 6997444, 8746805, 10496166, 13994888, 17493610, 20992332, 26240415, 34987220, 41984664, 52480830, 69974440, 104961660, 209923320]

約数ペア:

[(1, 209923320), (2, 104961660), (3, 69974440), (4, 52480830), (5, 41984664), (6, 34987220), (8, 26240415), (10, 20992332), (12, 17493610), (15, 13994888), (20, 10496166), (24, 8746805), (30, 6997444), (31, 6771720), (40, 5248083), (60, 3498722), (62, 3385860), (93, 2257240), (120, 1749361), (124, 1692930), (155, 1354344), (186, 1128620), (248, 846465), (310, 677172), (372, 564310), (465, 451448), (620, 338586), (744, 282155), (930, 225724), (1240, 169293), (1860, 112862), (3720, 56431)]