31418380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:383

約数の個数: 96

約数和(自身を含む): 81962496

約数和(自身を除く): 50544116

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 43, 68, 70, 85, 86, 119, 140, 170, 172, 215, 238, 301, 307, 340, 430, 476, 595, 602, 614, 731, 860, 1190, 1204, 1228, 1462, 1505, 1535, 2149, 2380, 2924, 3010, 3070, 3655, 4298, 5117, 5219, 6020, 6140, 7310, 8596, 10234, 10438, 10745, 13201, 14620, 20468, 20876, 21490, 25585, 26095, 26402, 36533, 42980, 51170, 52190, 52804, 66005, 73066, 92407, 102340, 104380, 132010, 146132, 182665, 184814, 224417, 264020, 365330, 369628, 448834, 462035, 730660, 897668, 924070, 1122085, 1570919, 1848140, 2244170, 3141838, 4488340, 6283676, 7854595, 15709190, 31418380]

約数ペア:

[(1, 31418380), (2, 15709190), (4, 7854595), (5, 6283676), (7, 4488340), (10, 3141838), (14, 2244170), (17, 1848140), (20, 1570919), (28, 1122085), (34, 924070), (35, 897668), (43, 730660), (68, 462035), (70, 448834), (85, 369628), (86, 365330), (119, 264020), (140, 224417), (170, 184814), (172, 182665), (215, 146132), (238, 132010), (301, 104380), (307, 102340), (340, 92407), (430, 73066), (476, 66005), (595, 52804), (602, 52190), (614, 51170), (731, 42980), (860, 36533), (1190, 26402), (1204, 26095), (1228, 25585), (1462, 21490), (1505, 20876), (1535, 20468), (2149, 14620), (2380, 13201), (2924, 10745), (3010, 10438), (3070, 10234), (3655, 8596), (4298, 7310), (5117, 6140), (5219, 6020)]