1880450028

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{13649}}^1$

素因数の和:13791

約数の個数: 72

約数和(自身を含む): 4918914000

約数和(自身を除く): 3038463972

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 89, 129, 172, 178, 258, 267, 356, 387, 516, 534, 774, 801, 1068, 1548, 1602, 3204, 3827, 7654, 11481, 13649, 15308, 22962, 27298, 34443, 40947, 45924, 54596, 68886, 81894, 122841, 137772, 163788, 245682, 491364, 586907, 1173814, 1214761, 1760721, 2347628, 2429522, 3521442, 3644283, 4859044, 5282163, 7042884, 7288566, 10564326, 10932849, 14577132, 21128652, 21865698, 43731396, 52234723, 104469446, 156704169, 208938892, 313408338, 470112507, 626816676, 940225014, 1880450028]

約数ペア:

[(1, 1880450028), (2, 940225014), (3, 626816676), (4, 470112507), (6, 313408338), (9, 208938892), (12, 156704169), (18, 104469446), (36, 52234723), (43, 43731396), (86, 21865698), (89, 21128652), (129, 14577132), (172, 10932849), (178, 10564326), (258, 7288566), (267, 7042884), (356, 5282163), (387, 4859044), (516, 3644283), (534, 3521442), (774, 2429522), (801, 2347628), (1068, 1760721), (1548, 1214761), (1602, 1173814), (3204, 586907), (3827, 491364), (7654, 245682), (11481, 163788), (13649, 137772), (15308, 122841), (22962, 81894), (27298, 68886), (34443, 54596), (40947, 45924)]