204446720

素因数分解:

$2^{10}\times 5^1\times {\mathrm{73}}^1\times {\mathrm{547}}^1$

素因数の和:645

約数の個数: 88

約数和(自身を含む): 498059664

約数和(自身を除く): 293612944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 128, 146, 160, 256, 292, 320, 365, 512, 547, 584, 640, 730, 1024, 1094, 1168, 1280, 1460, 2188, 2336, 2560, 2735, 2920, 4376, 4672, 5120, 5470, 5840, 8752, 9344, 10940, 11680, 17504, 18688, 21880, 23360, 35008, 37376, 39931, 43760, 46720, 70016, 74752, 79862, 87520, 93440, 140032, 159724, 175040, 186880, 199655, 280064, 319448, 350080, 373760, 399310, 560128, 638896, 700160, 798620, 1277792, 1400320, 1597240, 2555584, 2800640, 3194480, 5111168, 6388960, 10222336, 12777920, 20444672, 25555840, 40889344, 51111680, 102223360, 204446720]

約数ペア:

[(1, 204446720), (2, 102223360), (4, 51111680), (5, 40889344), (8, 25555840), (10, 20444672), (16, 12777920), (20, 10222336), (32, 6388960), (40, 5111168), (64, 3194480), (73, 2800640), (80, 2555584), (128, 1597240), (146, 1400320), (160, 1277792), (256, 798620), (292, 700160), (320, 638896), (365, 560128), (512, 399310), (547, 373760), (584, 350080), (640, 319448), (730, 280064), (1024, 199655), (1094, 186880), (1168, 175040), (1280, 159724), (1460, 140032), (2188, 93440), (2336, 87520), (2560, 79862), (2735, 74752), (2920, 70016), (4376, 46720), (4672, 43760), (5120, 39931), (5470, 37376), (5840, 35008), (8752, 23360), (9344, 21880), (10940, 18688), (11680, 17504)]