209853540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89681}}^1$

素因数の和:89709

約数の個数: 72

約数和(自身を含む): 685529208

約数和(自身を除く): 475675668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 89681, 179362, 269043, 358724, 448405, 538086, 807129, 896810, 1076172, 1165853, 1345215, 1614258, 1793620, 2331706, 2690430, 3228516, 3497559, 4035645, 4663412, 5380860, 5829265, 6995118, 8071290, 10492677, 11658530, 13990236, 16142580, 17487795, 20985354, 23317060, 34975590, 41970708, 52463385, 69951180, 104926770, 209853540]

約数ペア:

[(1, 209853540), (2, 104926770), (3, 69951180), (4, 52463385), (5, 41970708), (6, 34975590), (9, 23317060), (10, 20985354), (12, 17487795), (13, 16142580), (15, 13990236), (18, 11658530), (20, 10492677), (26, 8071290), (30, 6995118), (36, 5829265), (39, 5380860), (45, 4663412), (52, 4035645), (60, 3497559), (65, 3228516), (78, 2690430), (90, 2331706), (117, 1793620), (130, 1614258), (156, 1345215), (180, 1165853), (195, 1076172), (234, 896810), (260, 807129), (390, 538086), (468, 448405), (585, 358724), (780, 269043), (1170, 179362), (2340, 89681)]