239705440

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6779}}^1$

素因数の和:6824

約数の個数: 96

約数和(自身を含む): 645835680

約数和(自身を除く): 406130240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 160, 170, 208, 221, 260, 272, 340, 416, 442, 520, 544, 680, 884, 1040, 1105, 1360, 1768, 2080, 2210, 2720, 3536, 4420, 6779, 7072, 8840, 13558, 17680, 27116, 33895, 35360, 54232, 67790, 88127, 108464, 115243, 135580, 176254, 216928, 230486, 271160, 352508, 440635, 460972, 542320, 576215, 705016, 881270, 921944, 1084640, 1152430, 1410032, 1498159, 1762540, 1843888, 2304860, 2820064, 2996318, 3525080, 3687776, 4609720, 5992636, 7050160, 7490795, 9219440, 11985272, 14100320, 14981590, 18438880, 23970544, 29963180, 47941088, 59926360, 119852720, 239705440]

約数ペア:

[(1, 239705440), (2, 119852720), (4, 59926360), (5, 47941088), (8, 29963180), (10, 23970544), (13, 18438880), (16, 14981590), (17, 14100320), (20, 11985272), (26, 9219440), (32, 7490795), (34, 7050160), (40, 5992636), (52, 4609720), (65, 3687776), (68, 3525080), (80, 2996318), (85, 2820064), (104, 2304860), (130, 1843888), (136, 1762540), (160, 1498159), (170, 1410032), (208, 1152430), (221, 1084640), (260, 921944), (272, 881270), (340, 705016), (416, 576215), (442, 542320), (520, 460972), (544, 440635), (680, 352508), (884, 271160), (1040, 230486), (1105, 216928), (1360, 176254), (1768, 135580), (2080, 115243), (2210, 108464), (2720, 88127), (3536, 67790), (4420, 54232), (6779, 35360), (7072, 33895), (8840, 27116), (13558, 17680)]