30384280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:340

約数の個数: 64

約数和(自身を含む): 71124480

約数和(自身を除く): 40740200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 97, 164, 191, 194, 205, 328, 382, 388, 410, 485, 764, 776, 820, 955, 970, 1528, 1640, 1910, 1940, 3820, 3880, 3977, 7640, 7831, 7954, 15662, 15908, 18527, 19885, 31324, 31816, 37054, 39155, 39770, 62648, 74108, 78310, 79540, 92635, 148216, 156620, 159080, 185270, 313240, 370540, 741080, 759607, 1519214, 3038428, 3798035, 6076856, 7596070, 15192140, 30384280]

約数ペア:

[(1, 30384280), (2, 15192140), (4, 7596070), (5, 6076856), (8, 3798035), (10, 3038428), (20, 1519214), (40, 759607), (41, 741080), (82, 370540), (97, 313240), (164, 185270), (191, 159080), (194, 156620), (205, 148216), (328, 92635), (382, 79540), (388, 78310), (410, 74108), (485, 62648), (764, 39770), (776, 39155), (820, 37054), (955, 31816), (970, 31324), (1528, 19885), (1640, 18527), (1910, 15908), (1940, 15662), (3820, 7954), (3880, 7831), (3977, 7640)]