2778045160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{203669}}^1$

素因数の和:203722

約数の個数: 64

約数和(自身を含む): 7038835200

約数和(自身を除く): 4260790040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 6820, 13640, 203669, 407338, 814676, 1018345, 1629352, 2036690, 2240359, 4073380, 4480718, 6313739, 8146760, 8961436, 11201795, 12627478, 17922872, 22403590, 25254956, 31568695, 44807180, 50509912, 63137390, 69451129, 89614360, 126274780, 138902258, 252549560, 277804516, 347255645, 555609032, 694511290, 1389022580, 2778045160]

約数ペア:

[(1, 2778045160), (2, 1389022580), (4, 694511290), (5, 555609032), (8, 347255645), (10, 277804516), (11, 252549560), (20, 138902258), (22, 126274780), (31, 89614360), (40, 69451129), (44, 63137390), (55, 50509912), (62, 44807180), (88, 31568695), (110, 25254956), (124, 22403590), (155, 17922872), (220, 12627478), (248, 11201795), (310, 8961436), (341, 8146760), (440, 6313739), (620, 4480718), (682, 4073380), (1240, 2240359), (1364, 2036690), (1705, 1629352), (2728, 1018345), (3410, 814676), (6820, 407338), (13640, 203669)]