40478900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{751}}^1$

素因数の和:790

約数の個数: 108

約数和(自身を含む): 111617856

約数和(自身を除く): 71138956

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 49, 50, 55, 70, 77, 98, 100, 110, 140, 154, 175, 196, 220, 245, 275, 308, 350, 385, 490, 539, 550, 700, 751, 770, 980, 1078, 1100, 1225, 1502, 1540, 1925, 2156, 2450, 2695, 3004, 3755, 3850, 4900, 5257, 5390, 7510, 7700, 8261, 10514, 10780, 13475, 15020, 16522, 18775, 21028, 26285, 26950, 33044, 36799, 37550, 41305, 52570, 53900, 57827, 73598, 75100, 82610, 105140, 115654, 131425, 147196, 165220, 183995, 206525, 231308, 262850, 289135, 367990, 404789, 413050, 525700, 578270, 735980, 809578, 826100, 919975, 1156540, 1445675, 1619156, 1839950, 2023945, 2891350, 3679900, 4047890, 5782700, 8095780, 10119725, 20239450, 40478900]

約数ペア:

[(1, 40478900), (2, 20239450), (4, 10119725), (5, 8095780), (7, 5782700), (10, 4047890), (11, 3679900), (14, 2891350), (20, 2023945), (22, 1839950), (25, 1619156), (28, 1445675), (35, 1156540), (44, 919975), (49, 826100), (50, 809578), (55, 735980), (70, 578270), (77, 525700), (98, 413050), (100, 404789), (110, 367990), (140, 289135), (154, 262850), (175, 231308), (196, 206525), (220, 183995), (245, 165220), (275, 147196), (308, 131425), (350, 115654), (385, 105140), (490, 82610), (539, 75100), (550, 73598), (700, 57827), (751, 53900), (770, 52570), (980, 41305), (1078, 37550), (1100, 36799), (1225, 33044), (1502, 26950), (1540, 26285), (1925, 21028), (2156, 18775), (2450, 16522), (2695, 15020), (3004, 13475), (3755, 10780), (3850, 10514), (4900, 8261), (5257, 7700), (5390, 7510)]