220777648

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2861}}^1$

素因数の和:2942

約数の個数: 80

約数和(自身を含む): 536590656

約数和(自身を除く): 315813008

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 53, 56, 91, 104, 106, 112, 182, 208, 212, 364, 371, 424, 689, 728, 742, 848, 1378, 1456, 1484, 2756, 2861, 2968, 4823, 5512, 5722, 5936, 9646, 11024, 11444, 19292, 20027, 22888, 37193, 38584, 40054, 45776, 74386, 77168, 80108, 148772, 151633, 160216, 260351, 297544, 303266, 320432, 520702, 595088, 606532, 1041404, 1061431, 1213064, 1971229, 2082808, 2122862, 2426128, 3942458, 4165616, 4245724, 7884916, 8491448, 13798603, 15769832, 16982896, 27597206, 31539664, 55194412, 110388824, 220777648]

約数ペア:

[(1, 220777648), (2, 110388824), (4, 55194412), (7, 31539664), (8, 27597206), (13, 16982896), (14, 15769832), (16, 13798603), (26, 8491448), (28, 7884916), (52, 4245724), (53, 4165616), (56, 3942458), (91, 2426128), (104, 2122862), (106, 2082808), (112, 1971229), (182, 1213064), (208, 1061431), (212, 1041404), (364, 606532), (371, 595088), (424, 520702), (689, 320432), (728, 303266), (742, 297544), (848, 260351), (1378, 160216), (1456, 151633), (1484, 148772), (2756, 80108), (2861, 77168), (2968, 74386), (4823, 45776), (5512, 40054), (5722, 38584), (5936, 37193), (9646, 22888), (11024, 20027), (11444, 19292)]