140843864

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:480

約数の個数: 64

約数和(自身を含む): 309450240

約数和(自身を除く): 168606376

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 131, 146, 262, 263, 292, 511, 524, 526, 584, 917, 1022, 1048, 1052, 1834, 1841, 2044, 2104, 3668, 3682, 4088, 7336, 7364, 9563, 14728, 19126, 19199, 34453, 38252, 38398, 66941, 68906, 76504, 76796, 133882, 134393, 137812, 153592, 241171, 267764, 268786, 275624, 482342, 535528, 537572, 964684, 1075144, 1929368, 2515069, 5030138, 10060276, 17605483, 20120552, 35210966, 70421932, 140843864]

約数ペア:

[(1, 140843864), (2, 70421932), (4, 35210966), (7, 20120552), (8, 17605483), (14, 10060276), (28, 5030138), (56, 2515069), (73, 1929368), (131, 1075144), (146, 964684), (262, 537572), (263, 535528), (292, 482342), (511, 275624), (524, 268786), (526, 267764), (584, 241171), (917, 153592), (1022, 137812), (1048, 134393), (1052, 133882), (1834, 76796), (1841, 76504), (2044, 68906), (2104, 66941), (3668, 38398), (3682, 38252), (4088, 34453), (7336, 19199), (7364, 19126), (9563, 14728)]