2485917590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{3929}}^1$

素因数の和:4137

約数の個数: 64

約数和(自身を含む): 5007260160

約数和(自身を除く): 2521342570

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 157, 310, 314, 403, 785, 806, 1570, 2015, 2041, 3929, 4030, 4082, 4867, 7858, 9734, 10205, 19645, 20410, 24335, 39290, 48670, 51077, 63271, 102154, 121799, 126542, 243598, 255385, 316355, 510770, 608995, 616853, 632710, 1217990, 1233706, 1583387, 3084265, 3166774, 6168530, 7916935, 8019089, 15833870, 16038178, 19122443, 38244886, 40095445, 80190890, 95612215, 191224430, 248591759, 497183518, 1242958795, 2485917590]

約数ペア:

[(1, 2485917590), (2, 1242958795), (5, 497183518), (10, 248591759), (13, 191224430), (26, 95612215), (31, 80190890), (62, 40095445), (65, 38244886), (130, 19122443), (155, 16038178), (157, 15833870), (310, 8019089), (314, 7916935), (403, 6168530), (785, 3166774), (806, 3084265), (1570, 1583387), (2015, 1233706), (2041, 1217990), (3929, 632710), (4030, 616853), (4082, 608995), (4867, 510770), (7858, 316355), (9734, 255385), (10205, 243598), (19645, 126542), (20410, 121799), (24335, 102154), (39290, 63271), (48670, 51077)]