391045160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{28669}}^1$

素因数の和:28722

約数の個数: 64

約数和(自身を含む): 990835200

約数和(自身を除く): 599790040

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, 28669, 57338, 114676, 143345, 229352, 286690, 315359, 573380, 630718, 888739, 1146760, 1261436, 1576795, 1777478, 2522872, 3153590, 3554956, 4443695, 6307180, 7109912, 8887390, 9776129, 12614360, 17774780, 19552258, 35549560, 39104516, 48880645, 78209032, 97761290, 195522580, 391045160]

約数ペア:

[(1, 391045160), (2, 195522580), (4, 97761290), (5, 78209032), (8, 48880645), (10, 39104516), (11, 35549560), (20, 19552258), (22, 17774780), (31, 12614360), (40, 9776129), (44, 8887390), (55, 7109912), (62, 6307180), (88, 4443695), (110, 3554956), (124, 3153590), (155, 2522872), (220, 1777478), (248, 1576795), (310, 1261436), (341, 1146760), (440, 888739), (620, 630718), (682, 573380), (1240, 315359), (1364, 286690), (1705, 229352), (2728, 143345), (3410, 114676), (6820, 57338), (13640, 28669)]