30804340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{43}}^2$

素因数の和:126

約数の個数: 108

約数和(自身を含む): 81573156

約数和(自身を除く): 50768816

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 43, 49, 68, 70, 85, 86, 98, 119, 140, 170, 172, 196, 215, 238, 245, 301, 340, 430, 476, 490, 595, 602, 731, 833, 860, 980, 1190, 1204, 1462, 1505, 1666, 1849, 2107, 2380, 2924, 3010, 3332, 3655, 3698, 4165, 4214, 5117, 6020, 7310, 7396, 8330, 8428, 9245, 10234, 10535, 12943, 14620, 16660, 18490, 20468, 21070, 25585, 25886, 31433, 35819, 36980, 42140, 51170, 51772, 62866, 64715, 71638, 90601, 102340, 125732, 129430, 143276, 157165, 179095, 181202, 220031, 258860, 314330, 358190, 362404, 440062, 453005, 628660, 716380, 880124, 906010, 1100155, 1540217, 1812020, 2200310, 3080434, 4400620, 6160868, 7701085, 15402170, 30804340]

約数ペア:

[(1, 30804340), (2, 15402170), (4, 7701085), (5, 6160868), (7, 4400620), (10, 3080434), (14, 2200310), (17, 1812020), (20, 1540217), (28, 1100155), (34, 906010), (35, 880124), (43, 716380), (49, 628660), (68, 453005), (70, 440062), (85, 362404), (86, 358190), (98, 314330), (119, 258860), (140, 220031), (170, 181202), (172, 179095), (196, 157165), (215, 143276), (238, 129430), (245, 125732), (301, 102340), (340, 90601), (430, 71638), (476, 64715), (490, 62866), (595, 51772), (602, 51170), (731, 42140), (833, 36980), (860, 35819), (980, 31433), (1190, 25886), (1204, 25585), (1462, 21070), (1505, 20468), (1666, 18490), (1849, 16660), (2107, 14620), (2380, 12943), (2924, 10535), (3010, 10234), (3332, 9245), (3655, 8428), (3698, 8330), (4165, 7396), (4214, 7310), (5117, 6020)]