100000420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:725

約数の個数: 96

約数和(自身を含む): 246113280

約数和(自身を除く): 146112860

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 31, 38, 52, 62, 65, 76, 95, 124, 130, 155, 190, 247, 260, 310, 380, 403, 494, 589, 620, 653, 806, 988, 1178, 1235, 1306, 1612, 2015, 2356, 2470, 2612, 2945, 3265, 4030, 4940, 5890, 6530, 7657, 8060, 8489, 11780, 12407, 13060, 15314, 16978, 20243, 24814, 30628, 33956, 38285, 40486, 42445, 49628, 62035, 76570, 80972, 84890, 101215, 124070, 153140, 161291, 169780, 202430, 248140, 263159, 322582, 384617, 404860, 526318, 645164, 769234, 806455, 1052636, 1315795, 1538468, 1612910, 1923085, 2631590, 3225820, 3846170, 5000021, 5263180, 7692340, 10000042, 20000084, 25000105, 50000210, 100000420]

約数ペア:

[(1, 100000420), (2, 50000210), (4, 25000105), (5, 20000084), (10, 10000042), (13, 7692340), (19, 5263180), (20, 5000021), (26, 3846170), (31, 3225820), (38, 2631590), (52, 1923085), (62, 1612910), (65, 1538468), (76, 1315795), (95, 1052636), (124, 806455), (130, 769234), (155, 645164), (190, 526318), (247, 404860), (260, 384617), (310, 322582), (380, 263159), (403, 248140), (494, 202430), (589, 169780), (620, 161291), (653, 153140), (806, 124070), (988, 101215), (1178, 84890), (1235, 80972), (1306, 76570), (1612, 62035), (2015, 49628), (2356, 42445), (2470, 40486), (2612, 38285), (2945, 33956), (3265, 30628), (4030, 24814), (4940, 20243), (5890, 16978), (6530, 15314), (7657, 13060), (8060, 12407), (8489, 11780)]