11438920

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 27086400

約数和(自身を除く): 15647480

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 59, 74, 118, 131, 148, 185, 236, 262, 295, 296, 370, 472, 524, 590, 655, 740, 1048, 1180, 1310, 1480, 2183, 2360, 2620, 4366, 4847, 5240, 7729, 8732, 9694, 10915, 15458, 17464, 19388, 21830, 24235, 30916, 38645, 38776, 43660, 48470, 61832, 77290, 87320, 96940, 154580, 193880, 285973, 309160, 571946, 1143892, 1429865, 2287784, 2859730, 5719460, 11438920]

約数ペア:

[(1, 11438920), (2, 5719460), (4, 2859730), (5, 2287784), (8, 1429865), (10, 1143892), (20, 571946), (37, 309160), (40, 285973), (59, 193880), (74, 154580), (118, 96940), (131, 87320), (148, 77290), (185, 61832), (236, 48470), (262, 43660), (295, 38776), (296, 38645), (370, 30916), (472, 24235), (524, 21830), (590, 19388), (655, 17464), (740, 15458), (1048, 10915), (1180, 9694), (1310, 8732), (1480, 7729), (2183, 5240), (2360, 4847), (2620, 4366)]