87730448

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:400

約数の個数: 80

約数和(自身を含む): 195820800

約数和(自身を除く): 108090352

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 79, 104, 152, 158, 208, 247, 281, 304, 316, 494, 562, 632, 988, 1027, 1124, 1264, 1501, 1976, 2054, 2248, 3002, 3653, 3952, 4108, 4496, 5339, 6004, 7306, 8216, 10678, 12008, 14612, 16432, 19513, 21356, 22199, 24016, 29224, 39026, 42712, 44398, 58448, 69407, 78052, 85424, 88796, 138814, 156104, 177592, 277628, 288587, 312208, 355184, 421781, 555256, 577174, 843562, 1110512, 1154348, 1687124, 2308696, 3374248, 4617392, 5483153, 6748496, 10966306, 21932612, 43865224, 87730448]

約数ペア:

[(1, 87730448), (2, 43865224), (4, 21932612), (8, 10966306), (13, 6748496), (16, 5483153), (19, 4617392), (26, 3374248), (38, 2308696), (52, 1687124), (76, 1154348), (79, 1110512), (104, 843562), (152, 577174), (158, 555256), (208, 421781), (247, 355184), (281, 312208), (304, 288587), (316, 277628), (494, 177592), (562, 156104), (632, 138814), (988, 88796), (1027, 85424), (1124, 78052), (1264, 69407), (1501, 58448), (1976, 44398), (2054, 42712), (2248, 39026), (3002, 29224), (3653, 24016), (3952, 22199), (4108, 21356), (4496, 19513), (5339, 16432), (6004, 14612), (7306, 12008), (8216, 10678)]