89301940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{353}}^1$

素因数の和:521

約数の個数: 96

約数和(自身を含む): 233130240

約数和(自身を除く): 143828300

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 139, 140, 182, 260, 278, 353, 364, 455, 556, 695, 706, 910, 973, 1390, 1412, 1765, 1807, 1820, 1946, 2471, 2780, 3530, 3614, 3892, 4589, 4865, 4942, 7060, 7228, 9035, 9178, 9730, 9884, 12355, 12649, 18070, 18356, 19460, 22945, 24710, 25298, 32123, 36140, 45890, 49067, 49420, 50596, 63245, 64246, 91780, 98134, 126490, 128492, 160615, 196268, 245335, 252980, 321230, 343469, 490670, 637871, 642460, 686938, 981340, 1275742, 1373876, 1717345, 2551484, 3189355, 3434690, 4465097, 6378710, 6869380, 8930194, 12757420, 17860388, 22325485, 44650970, 89301940]

約数ペア:

[(1, 89301940), (2, 44650970), (4, 22325485), (5, 17860388), (7, 12757420), (10, 8930194), (13, 6869380), (14, 6378710), (20, 4465097), (26, 3434690), (28, 3189355), (35, 2551484), (52, 1717345), (65, 1373876), (70, 1275742), (91, 981340), (130, 686938), (139, 642460), (140, 637871), (182, 490670), (260, 343469), (278, 321230), (353, 252980), (364, 245335), (455, 196268), (556, 160615), (695, 128492), (706, 126490), (910, 98134), (973, 91780), (1390, 64246), (1412, 63245), (1765, 50596), (1807, 49420), (1820, 49067), (1946, 45890), (2471, 36140), (2780, 32123), (3530, 25298), (3614, 24710), (3892, 22945), (4589, 19460), (4865, 18356), (4942, 18070), (7060, 12649), (7228, 12355), (9035, 9884), (9178, 9730)]