42636860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{313}}^1$

素因数の和:475

約数の個数: 72

約数和(自身を含む): 105240240

約数和(自身を除く): 62603380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 139, 140, 196, 245, 278, 313, 490, 556, 626, 695, 973, 980, 1252, 1390, 1565, 1946, 2191, 2780, 3130, 3892, 4382, 4865, 6260, 6811, 8764, 9730, 10955, 13622, 15337, 19460, 21910, 27244, 30674, 34055, 43507, 43820, 61348, 68110, 76685, 87014, 136220, 153370, 174028, 217535, 304549, 306740, 435070, 609098, 870140, 1218196, 1522745, 2131843, 3045490, 4263686, 6090980, 8527372, 10659215, 21318430, 42636860]

約数ペア:

[(1, 42636860), (2, 21318430), (4, 10659215), (5, 8527372), (7, 6090980), (10, 4263686), (14, 3045490), (20, 2131843), (28, 1522745), (35, 1218196), (49, 870140), (70, 609098), (98, 435070), (139, 306740), (140, 304549), (196, 217535), (245, 174028), (278, 153370), (313, 136220), (490, 87014), (556, 76685), (626, 68110), (695, 61348), (973, 43820), (980, 43507), (1252, 34055), (1390, 30674), (1565, 27244), (1946, 21910), (2191, 19460), (2780, 15337), (3130, 13622), (3892, 10955), (4382, 9730), (4865, 8764), (6260, 6811)]