30512200

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{61}}^2$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 73881990

約数和(自身を除く): 43369790

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 61, 82, 100, 122, 164, 200, 205, 244, 305, 328, 410, 488, 610, 820, 1025, 1220, 1525, 1640, 2050, 2440, 2501, 3050, 3721, 4100, 5002, 6100, 7442, 8200, 10004, 12200, 12505, 14884, 18605, 20008, 25010, 29768, 37210, 50020, 62525, 74420, 93025, 100040, 125050, 148840, 152561, 186050, 250100, 305122, 372100, 500200, 610244, 744200, 762805, 1220488, 1525610, 3051220, 3814025, 6102440, 7628050, 15256100, 30512200]

約数ペア:

[(1, 30512200), (2, 15256100), (4, 7628050), (5, 6102440), (8, 3814025), (10, 3051220), (20, 1525610), (25, 1220488), (40, 762805), (41, 744200), (50, 610244), (61, 500200), (82, 372100), (100, 305122), (122, 250100), (164, 186050), (200, 152561), (205, 148840), (244, 125050), (305, 100040), (328, 93025), (410, 74420), (488, 62525), (610, 50020), (820, 37210), (1025, 29768), (1220, 25010), (1525, 20008), (1640, 18605), (2050, 14884), (2440, 12505), (2501, 12200), (3050, 10004), (3721, 8200), (4100, 7442), (5002, 6100)]