30900100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4013}}^1$

素因数の和:4045

約数の個数: 72

約数和(自身を含む): 83619648

約数和(自身を除く): 52719548

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 140, 154, 175, 220, 275, 308, 350, 385, 550, 700, 770, 1100, 1540, 1925, 3850, 4013, 7700, 8026, 16052, 20065, 28091, 40130, 44143, 56182, 80260, 88286, 100325, 112364, 140455, 176572, 200650, 220715, 280910, 309001, 401300, 441430, 561820, 618002, 702275, 882860, 1103575, 1236004, 1404550, 1545005, 2207150, 2809100, 3090010, 4414300, 6180020, 7725025, 15450050, 30900100]

約数ペア:

[(1, 30900100), (2, 15450050), (4, 7725025), (5, 6180020), (7, 4414300), (10, 3090010), (11, 2809100), (14, 2207150), (20, 1545005), (22, 1404550), (25, 1236004), (28, 1103575), (35, 882860), (44, 702275), (50, 618002), (55, 561820), (70, 441430), (77, 401300), (100, 309001), (110, 280910), (140, 220715), (154, 200650), (175, 176572), (220, 140455), (275, 112364), (308, 100325), (350, 88286), (385, 80260), (550, 56182), (700, 44143), (770, 40130), (1100, 28091), (1540, 20065), (1925, 16052), (3850, 8026), (4013, 7700)]