197644840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{8389}}^1$

素因数の和:8450

約数の個数: 64

約数和(自身を含む): 483264000

約数和(自身を除く): 285619160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 760, 1178, 1240, 2356, 2945, 4712, 5890, 8389, 11780, 16778, 23560, 33556, 41945, 67112, 83890, 159391, 167780, 260059, 318782, 335560, 520118, 637564, 796955, 1040236, 1275128, 1300295, 1593910, 2080472, 2600590, 3187820, 4941121, 5201180, 6375640, 9882242, 10402360, 19764484, 24705605, 39528968, 49411210, 98822420, 197644840]

約数ペア:

[(1, 197644840), (2, 98822420), (4, 49411210), (5, 39528968), (8, 24705605), (10, 19764484), (19, 10402360), (20, 9882242), (31, 6375640), (38, 5201180), (40, 4941121), (62, 3187820), (76, 2600590), (95, 2080472), (124, 1593910), (152, 1300295), (155, 1275128), (190, 1040236), (248, 796955), (310, 637564), (380, 520118), (589, 335560), (620, 318782), (760, 260059), (1178, 167780), (1240, 159391), (2356, 83890), (2945, 67112), (4712, 41945), (5890, 33556), (8389, 23560), (11780, 16778)]