29987860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 76769280

約数和(自身を除く): 46781420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 67, 70, 92, 115, 134, 139, 140, 161, 230, 268, 278, 322, 335, 460, 469, 556, 644, 670, 695, 805, 938, 973, 1340, 1390, 1541, 1610, 1876, 1946, 2345, 2780, 3082, 3197, 3220, 3892, 4690, 4865, 6164, 6394, 7705, 9313, 9380, 9730, 10787, 12788, 15410, 15985, 18626, 19460, 21574, 22379, 30820, 31970, 37252, 43148, 44758, 46565, 53935, 63940, 65191, 89516, 93130, 107870, 111895, 130382, 186260, 214199, 215740, 223790, 260764, 325955, 428398, 447580, 651910, 856796, 1070995, 1303820, 1499393, 2141990, 2998786, 4283980, 5997572, 7496965, 14993930, 29987860]

約数ペア:

[(1, 29987860), (2, 14993930), (4, 7496965), (5, 5997572), (7, 4283980), (10, 2998786), (14, 2141990), (20, 1499393), (23, 1303820), (28, 1070995), (35, 856796), (46, 651910), (67, 447580), (70, 428398), (92, 325955), (115, 260764), (134, 223790), (139, 215740), (140, 214199), (161, 186260), (230, 130382), (268, 111895), (278, 107870), (322, 93130), (335, 89516), (460, 65191), (469, 63940), (556, 53935), (644, 46565), (670, 44758), (695, 43148), (805, 37252), (938, 31970), (973, 30820), (1340, 22379), (1390, 21574), (1541, 19460), (1610, 18626), (1876, 15985), (1946, 15410), (2345, 12788), (2780, 10787), (3082, 9730), (3197, 9380), (3220, 9313), (3892, 7705), (4690, 6394), (4865, 6164)]