28068700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:140

約数の個数: 144

約数和(自身を含む): 74995200

約数和(自身を除く): 46926500

約数列:

[1, 2, 4, 5, 10, 11, 17, 19, 20, 22, 25, 34, 38, 44, 50, 55, 68, 76, 79, 85, 95, 100, 110, 158, 170, 187, 190, 209, 220, 275, 316, 323, 340, 374, 380, 395, 418, 425, 475, 550, 646, 748, 790, 836, 850, 869, 935, 950, 1045, 1100, 1292, 1343, 1501, 1580, 1615, 1700, 1738, 1870, 1900, 1975, 2090, 2686, 3002, 3230, 3476, 3553, 3740, 3950, 4180, 4345, 4675, 5225, 5372, 6004, 6460, 6715, 7106, 7505, 7900, 8075, 8690, 9350, 10450, 13430, 14212, 14773, 15010, 16150, 16511, 17380, 17765, 18700, 20900, 21725, 25517, 26860, 29546, 30020, 32300, 33022, 33575, 35530, 37525, 43450, 51034, 59092, 66044, 67150, 71060, 73865, 75050, 82555, 86900, 88825, 102068, 127585, 134300, 147730, 150100, 165110, 177650, 255170, 280687, 295460, 330220, 355300, 369325, 412775, 510340, 561374, 637925, 738650, 825550, 1122748, 1275850, 1403435, 1477300, 1651100, 2551700, 2806870, 5613740, 7017175, 14034350, 28068700]

約数ペア:

[(1, 28068700), (2, 14034350), (4, 7017175), (5, 5613740), (10, 2806870), (11, 2551700), (17, 1651100), (19, 1477300), (20, 1403435), (22, 1275850), (25, 1122748), (34, 825550), (38, 738650), (44, 637925), (50, 561374), (55, 510340), (68, 412775), (76, 369325), (79, 355300), (85, 330220), (95, 295460), (100, 280687), (110, 255170), (158, 177650), (170, 165110), (187, 150100), (190, 147730), (209, 134300), (220, 127585), (275, 102068), (316, 88825), (323, 86900), (340, 82555), (374, 75050), (380, 73865), (395, 71060), (418, 67150), (425, 66044), (475, 59092), (550, 51034), (646, 43450), (748, 37525), (790, 35530), (836, 33575), (850, 33022), (869, 32300), (935, 30020), (950, 29546), (1045, 26860), (1100, 25517), (1292, 21725), (1343, 20900), (1501, 18700), (1580, 17765), (1615, 17380), (1700, 16511), (1738, 16150), (1870, 15010), (1900, 14773), (1975, 14212), (2090, 13430), (2686, 10450), (3002, 9350), (3230, 8690), (3476, 8075), (3553, 7900), (3740, 7505), (3950, 7106), (4180, 6715), (4345, 6460), (4675, 6004), (5225, 5372)]