239716880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{4349}}^1$

素因数の和:4428

約数の個数: 80

約数和(自身を含む): 611679600

約数和(自身を除く): 371962720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 53, 65, 80, 104, 106, 130, 208, 212, 260, 265, 424, 520, 530, 689, 848, 1040, 1060, 1378, 2120, 2756, 3445, 4240, 4349, 5512, 6890, 8698, 11024, 13780, 17396, 21745, 27560, 34792, 43490, 55120, 56537, 69584, 86980, 113074, 173960, 226148, 230497, 282685, 347920, 452296, 460994, 565370, 904592, 921988, 1130740, 1152485, 1843976, 2261480, 2304970, 2996461, 3687952, 4522960, 4609940, 5992922, 9219880, 11985844, 14982305, 18439760, 23971688, 29964610, 47943376, 59929220, 119858440, 239716880]

約数ペア:

[(1, 239716880), (2, 119858440), (4, 59929220), (5, 47943376), (8, 29964610), (10, 23971688), (13, 18439760), (16, 14982305), (20, 11985844), (26, 9219880), (40, 5992922), (52, 4609940), (53, 4522960), (65, 3687952), (80, 2996461), (104, 2304970), (106, 2261480), (130, 1843976), (208, 1152485), (212, 1130740), (260, 921988), (265, 904592), (424, 565370), (520, 460994), (530, 452296), (689, 347920), (848, 282685), (1040, 230497), (1060, 226148), (1378, 173960), (2120, 113074), (2756, 86980), (3445, 69584), (4240, 56537), (4349, 55120), (5512, 43490), (6890, 34792), (8698, 27560), (11024, 21745), (13780, 17396)]