99878900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:186

約数の個数: 144

約数和(自身を含む): 254983680

約数和(自身を除く): 155104780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 29, 31, 44, 50, 55, 58, 62, 100, 101, 110, 116, 124, 145, 155, 202, 220, 275, 290, 310, 319, 341, 404, 505, 550, 580, 620, 638, 682, 725, 775, 899, 1010, 1100, 1111, 1276, 1364, 1450, 1550, 1595, 1705, 1798, 2020, 2222, 2525, 2900, 2929, 3100, 3131, 3190, 3410, 3596, 4444, 4495, 5050, 5555, 5858, 6262, 6380, 6820, 7975, 8525, 8990, 9889, 10100, 11110, 11716, 12524, 14645, 15655, 15950, 17050, 17980, 19778, 22220, 22475, 27775, 29290, 31310, 31900, 32219, 34100, 34441, 39556, 44950, 49445, 55550, 58580, 62620, 64438, 68882, 73225, 78275, 89900, 90799, 98890, 111100, 128876, 137764, 146450, 156550, 161095, 172205, 181598, 197780, 247225, 292900, 313100, 322190, 344410, 363196, 453995, 494450, 644380, 688820, 805475, 861025, 907990, 988900, 998789, 1610950, 1722050, 1815980, 1997578, 2269975, 3221900, 3444100, 3995156, 4539950, 4993945, 9079900, 9987890, 19975780, 24969725, 49939450, 99878900]

約数ペア:

[(1, 99878900), (2, 49939450), (4, 24969725), (5, 19975780), (10, 9987890), (11, 9079900), (20, 4993945), (22, 4539950), (25, 3995156), (29, 3444100), (31, 3221900), (44, 2269975), (50, 1997578), (55, 1815980), (58, 1722050), (62, 1610950), (100, 998789), (101, 988900), (110, 907990), (116, 861025), (124, 805475), (145, 688820), (155, 644380), (202, 494450), (220, 453995), (275, 363196), (290, 344410), (310, 322190), (319, 313100), (341, 292900), (404, 247225), (505, 197780), (550, 181598), (580, 172205), (620, 161095), (638, 156550), (682, 146450), (725, 137764), (775, 128876), (899, 111100), (1010, 98890), (1100, 90799), (1111, 89900), (1276, 78275), (1364, 73225), (1450, 68882), (1550, 64438), (1595, 62620), (1705, 58580), (1798, 55550), (2020, 49445), (2222, 44950), (2525, 39556), (2900, 34441), (2929, 34100), (3100, 32219), (3131, 31900), (3190, 31310), (3410, 29290), (3596, 27775), (4444, 22475), (4495, 22220), (5050, 19778), (5555, 17980), (5858, 17050), (6262, 15950), (6380, 15655), (6820, 14645), (7975, 12524), (8525, 11716), (8990, 11110), (9889, 10100)]