160764100

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:187

約数の個数: 144

約数和(自身を含む): 420112000

約数和(自身を除く): 259347900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 43, 49, 50, 70, 86, 98, 100, 109, 140, 172, 175, 196, 215, 218, 245, 301, 343, 350, 430, 436, 490, 545, 602, 686, 700, 763, 860, 980, 1075, 1090, 1204, 1225, 1372, 1505, 1526, 1715, 2107, 2150, 2180, 2450, 2725, 3010, 3052, 3430, 3815, 4214, 4300, 4687, 4900, 5341, 5450, 6020, 6860, 7525, 7630, 8428, 8575, 9374, 10535, 10682, 10900, 14749, 15050, 15260, 17150, 18748, 19075, 21070, 21364, 23435, 26705, 29498, 30100, 32809, 34300, 37387, 38150, 42140, 46870, 52675, 53410, 58996, 65618, 73745, 74774, 76300, 93740, 105350, 106820, 117175, 131236, 133525, 147490, 149548, 164045, 186935, 210700, 229663, 234350, 267050, 294980, 328090, 368725, 373870, 459326, 468700, 534100, 656180, 737450, 747740, 820225, 918652, 934675, 1148315, 1474900, 1607641, 1640450, 1869350, 2296630, 3215282, 3280900, 3738700, 4593260, 5741575, 6430564, 8038205, 11483150, 16076410, 22966300, 32152820, 40191025, 80382050, 160764100]

約数ペア:

[(1, 160764100), (2, 80382050), (4, 40191025), (5, 32152820), (7, 22966300), (10, 16076410), (14, 11483150), (20, 8038205), (25, 6430564), (28, 5741575), (35, 4593260), (43, 3738700), (49, 3280900), (50, 3215282), (70, 2296630), (86, 1869350), (98, 1640450), (100, 1607641), (109, 1474900), (140, 1148315), (172, 934675), (175, 918652), (196, 820225), (215, 747740), (218, 737450), (245, 656180), (301, 534100), (343, 468700), (350, 459326), (430, 373870), (436, 368725), (490, 328090), (545, 294980), (602, 267050), (686, 234350), (700, 229663), (763, 210700), (860, 186935), (980, 164045), (1075, 149548), (1090, 147490), (1204, 133525), (1225, 131236), (1372, 117175), (1505, 106820), (1526, 105350), (1715, 93740), (2107, 76300), (2150, 74774), (2180, 73745), (2450, 65618), (2725, 58996), (3010, 53410), (3052, 52675), (3430, 46870), (3815, 42140), (4214, 38150), (4300, 37387), (4687, 34300), (4900, 32809), (5341, 30100), (5450, 29498), (6020, 26705), (6860, 23435), (7525, 21364), (7630, 21070), (8428, 19075), (8575, 18748), (9374, 17150), (10535, 15260), (10682, 15050), (10900, 14749)]