305428120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{14489}}^1$

素因数の和:14548

約数の個数: 64

約数和(自身を含む): 751161600

約数和(自身を除く): 445733480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 248, 310, 340, 527, 620, 680, 1054, 1240, 2108, 2635, 4216, 5270, 10540, 14489, 21080, 28978, 57956, 72445, 115912, 144890, 246313, 289780, 449159, 492626, 579560, 898318, 985252, 1231565, 1796636, 1970504, 2245795, 2463130, 3593272, 4491590, 4926260, 7635703, 8983180, 9852520, 15271406, 17966360, 30542812, 38178515, 61085624, 76357030, 152714060, 305428120]

約数ペア:

[(1, 305428120), (2, 152714060), (4, 76357030), (5, 61085624), (8, 38178515), (10, 30542812), (17, 17966360), (20, 15271406), (31, 9852520), (34, 8983180), (40, 7635703), (62, 4926260), (68, 4491590), (85, 3593272), (124, 2463130), (136, 2245795), (155, 1970504), (170, 1796636), (248, 1231565), (310, 985252), (340, 898318), (527, 579560), (620, 492626), (680, 449159), (1054, 289780), (1240, 246313), (2108, 144890), (2635, 115912), (4216, 72445), (5270, 57956), (10540, 28978), (14489, 21080)]