28931110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:122

約数の個数: 96

約数和(自身を含む): 64035360

約数和(自身を除く): 35104250

約数列:

[1, 2, 5, 10, 13, 17, 19, 26, 34, 38, 53, 65, 85, 95, 106, 130, 169, 170, 190, 221, 247, 265, 323, 338, 442, 494, 530, 646, 689, 845, 901, 1007, 1105, 1235, 1378, 1615, 1690, 1802, 2014, 2210, 2470, 2873, 3211, 3230, 3445, 4199, 4505, 5035, 5746, 6422, 6890, 8398, 8957, 9010, 10070, 11713, 13091, 14365, 16055, 17119, 17914, 20995, 23426, 26182, 28730, 32110, 34238, 41990, 44785, 54587, 58565, 65455, 85595, 89570, 109174, 117130, 130910, 152269, 170183, 171190, 222547, 272935, 304538, 340366, 445094, 545870, 761345, 850915, 1112735, 1522690, 1701830, 2225470, 2893111, 5786222, 14465555, 28931110]

約数ペア:

[(1, 28931110), (2, 14465555), (5, 5786222), (10, 2893111), (13, 2225470), (17, 1701830), (19, 1522690), (26, 1112735), (34, 850915), (38, 761345), (53, 545870), (65, 445094), (85, 340366), (95, 304538), (106, 272935), (130, 222547), (169, 171190), (170, 170183), (190, 152269), (221, 130910), (247, 117130), (265, 109174), (323, 89570), (338, 85595), (442, 65455), (494, 58565), (530, 54587), (646, 44785), (689, 41990), (845, 34238), (901, 32110), (1007, 28730), (1105, 26182), (1235, 23426), (1378, 20995), (1615, 17914), (1690, 17119), (1802, 16055), (2014, 14365), (2210, 13091), (2470, 11713), (2873, 10070), (3211, 9010), (3230, 8957), (3445, 8398), (4199, 6890), (4505, 6422), (5035, 5746)]