198391040

素因数分解:

$2^8\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:188

約数の個数: 144

約数和(自身を含む): 503314560

約数和(自身を除く): 304923520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 59, 64, 71, 74, 80, 118, 128, 142, 148, 160, 185, 236, 256, 284, 295, 296, 320, 355, 370, 472, 568, 590, 592, 640, 710, 740, 944, 1136, 1180, 1184, 1280, 1420, 1480, 1888, 2183, 2272, 2360, 2368, 2627, 2840, 2960, 3776, 4189, 4366, 4544, 4720, 4736, 5254, 5680, 5920, 7552, 8378, 8732, 9088, 9440, 9472, 10508, 10915, 11360, 11840, 13135, 15104, 16756, 17464, 18176, 18880, 20945, 21016, 21830, 22720, 23680, 26270, 33512, 34928, 37760, 41890, 42032, 43660, 45440, 47360, 52540, 67024, 69856, 75520, 83780, 84064, 87320, 90880, 105080, 134048, 139712, 154993, 167560, 168128, 174640, 210160, 268096, 279424, 309986, 335120, 336256, 349280, 420320, 536192, 558848, 619972, 670240, 672512, 698560, 774965, 840640, 1072384, 1239944, 1340480, 1397120, 1549930, 1681280, 2479888, 2680960, 2794240, 3099860, 3362560, 4959776, 5361920, 6199720, 9919552, 12399440, 19839104, 24798880, 39678208, 49597760, 99195520, 198391040]

約数ペア:

[(1, 198391040), (2, 99195520), (4, 49597760), (5, 39678208), (8, 24798880), (10, 19839104), (16, 12399440), (20, 9919552), (32, 6199720), (37, 5361920), (40, 4959776), (59, 3362560), (64, 3099860), (71, 2794240), (74, 2680960), (80, 2479888), (118, 1681280), (128, 1549930), (142, 1397120), (148, 1340480), (160, 1239944), (185, 1072384), (236, 840640), (256, 774965), (284, 698560), (295, 672512), (296, 670240), (320, 619972), (355, 558848), (370, 536192), (472, 420320), (568, 349280), (590, 336256), (592, 335120), (640, 309986), (710, 279424), (740, 268096), (944, 210160), (1136, 174640), (1180, 168128), (1184, 167560), (1280, 154993), (1420, 139712), (1480, 134048), (1888, 105080), (2183, 90880), (2272, 87320), (2360, 84064), (2368, 83780), (2627, 75520), (2840, 69856), (2960, 67024), (3776, 52540), (4189, 47360), (4366, 45440), (4544, 43660), (4720, 42032), (4736, 41890), (5254, 37760), (5680, 34928), (5920, 33512), (7552, 26270), (8378, 23680), (8732, 22720), (9088, 21830), (9440, 21016), (9472, 20945), (10508, 18880), (10915, 18176), (11360, 17464), (11840, 16756), (13135, 15104)]