289138736

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:322

約数の個数: 80

約数和(自身を含む): 601866240

約数和(自身を除く): 312727504

約数列:

[1, 2, 4, 8, 16, 31, 47, 62, 79, 94, 124, 157, 158, 188, 248, 314, 316, 376, 496, 628, 632, 752, 1256, 1264, 1457, 2449, 2512, 2914, 3713, 4867, 4898, 5828, 7379, 7426, 9734, 9796, 11656, 12403, 14758, 14852, 19468, 19592, 23312, 24806, 29516, 29704, 38936, 39184, 49612, 59032, 59408, 77872, 99224, 115103, 118064, 198448, 228749, 230206, 384493, 457498, 460412, 582941, 768986, 914996, 920824, 1165882, 1537972, 1829992, 1841648, 2331764, 3075944, 3659984, 4663528, 6151888, 9327056, 18071171, 36142342, 72284684, 144569368, 289138736]

約数ペア:

[(1, 289138736), (2, 144569368), (4, 72284684), (8, 36142342), (16, 18071171), (31, 9327056), (47, 6151888), (62, 4663528), (79, 3659984), (94, 3075944), (124, 2331764), (157, 1841648), (158, 1829992), (188, 1537972), (248, 1165882), (314, 920824), (316, 914996), (376, 768986), (496, 582941), (628, 460412), (632, 457498), (752, 384493), (1256, 230206), (1264, 228749), (1457, 198448), (2449, 118064), (2512, 115103), (2914, 99224), (3713, 77872), (4867, 59408), (4898, 59032), (5828, 49612), (7379, 39184), (7426, 38936), (9734, 29704), (9796, 29516), (11656, 24806), (12403, 23312), (14758, 19592), (14852, 19468)]