406081660

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:307

約数の個数: 96

約数和(自身を含む): 910103040

約数和(自身を除く): 504021380

約数列:

[1, 2, 4, 5, 10, 20, 37, 59, 71, 74, 118, 131, 142, 148, 185, 236, 262, 284, 295, 355, 370, 524, 590, 655, 710, 740, 1180, 1310, 1420, 2183, 2620, 2627, 4189, 4366, 4847, 5254, 7729, 8378, 8732, 9301, 9694, 10508, 10915, 13135, 15458, 16756, 18602, 19388, 20945, 21830, 24235, 26270, 30916, 37204, 38645, 41890, 43660, 46505, 48470, 52540, 77290, 83780, 93010, 96940, 154580, 154993, 186020, 285973, 309986, 344137, 548759, 571946, 619972, 688274, 774965, 1097518, 1143892, 1376548, 1429865, 1549930, 1720685, 2195036, 2743795, 2859730, 3099860, 3441370, 5487590, 5719460, 6882740, 10975180, 20304083, 40608166, 81216332, 101520415, 203040830, 406081660]

約数ペア:

[(1, 406081660), (2, 203040830), (4, 101520415), (5, 81216332), (10, 40608166), (20, 20304083), (37, 10975180), (59, 6882740), (71, 5719460), (74, 5487590), (118, 3441370), (131, 3099860), (142, 2859730), (148, 2743795), (185, 2195036), (236, 1720685), (262, 1549930), (284, 1429865), (295, 1376548), (355, 1143892), (370, 1097518), (524, 774965), (590, 688274), (655, 619972), (710, 571946), (740, 548759), (1180, 344137), (1310, 309986), (1420, 285973), (2183, 186020), (2620, 154993), (2627, 154580), (4189, 96940), (4366, 93010), (4847, 83780), (5254, 77290), (7729, 52540), (8378, 48470), (8732, 46505), (9301, 43660), (9694, 41890), (10508, 38645), (10915, 37204), (13135, 30916), (15458, 26270), (16756, 24235), (18602, 21830), (19388, 20945)]