30639770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:267

約数の個数: 64

約数和(自身を含む): 65802240

約数和(自身を除く): 35162470

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 67, 70, 94, 134, 139, 235, 278, 329, 335, 469, 470, 658, 670, 695, 938, 973, 1390, 1645, 1946, 2345, 3149, 3290, 4690, 4865, 6298, 6533, 9313, 9730, 13066, 15745, 18626, 22043, 31490, 32665, 44086, 45731, 46565, 65191, 65330, 91462, 93130, 110215, 130382, 220430, 228655, 325955, 437711, 457310, 651910, 875422, 2188555, 3063977, 4377110, 6127954, 15319885, 30639770]

約数ペア:

[(1, 30639770), (2, 15319885), (5, 6127954), (7, 4377110), (10, 3063977), (14, 2188555), (35, 875422), (47, 651910), (67, 457310), (70, 437711), (94, 325955), (134, 228655), (139, 220430), (235, 130382), (278, 110215), (329, 93130), (335, 91462), (469, 65330), (470, 65191), (658, 46565), (670, 45731), (695, 44086), (938, 32665), (973, 31490), (1390, 22043), (1645, 18626), (1946, 15745), (2345, 13066), (3149, 9730), (3290, 9313), (4690, 6533), (4865, 6298)]