401969854720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{2297}}^1\times {\mathrm{19531}}^1$

素因数の和:21856

約数の個数: 144

約数和(自身を含む): 1100927899008

約数和(自身を除く): 698958044288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 2297, 4480, 4594, 8960, 9188, 11485, 16079, 18376, 19531, 22970, 32158, 36752, 39062, 45940, 64316, 73504, 78124, 80395, 91880, 97655, 128632, 136717, 147008, 156248, 160790, 183760, 195310, 257264, 273434, 294016, 312496, 321580, 367520, 390620, 514528, 546868, 588032, 624992, 643160, 683585, 735040, 781240, 1029056, 1093736, 1249984, 1286320, 1367170, 1470080, 1562480, 2058112, 2187472, 2499968, 2572640, 2734340, 2940160, 3124960, 4116224, 4374944, 4999936, 5145280, 5468680, 6249920, 8749888, 10290560, 10937360, 12499840, 17499776, 20581120, 21874720, 24999680, 34999552, 43749440, 44862707, 87498880, 89725414, 174997760, 179450828, 224313535, 314038949, 358901656, 448627070, 628077898, 717803312, 897254140, 1256155796, 1435606624, 1570194745, 1794508280, 2512311592, 2871213248, 3140389490, 3589016560, 5024623184, 5742426496, 6280778980, 7178033120, 10049246368, 11484852992, 12561557960, 14356066240, 20098492736, 25123115920, 28712132480, 40196985472, 50246231840, 57424264960, 80393970944, 100492463680, 200984927360, 401969854720]

約数ペア:

[(1, 401969854720), (2, 200984927360), (4, 100492463680), (5, 80393970944), (7, 57424264960), (8, 50246231840), (10, 40196985472), (14, 28712132480), (16, 25123115920), (20, 20098492736), (28, 14356066240), (32, 12561557960), (35, 11484852992), (40, 10049246368), (56, 7178033120), (64, 6280778980), (70, 5742426496), (80, 5024623184), (112, 3589016560), (128, 3140389490), (140, 2871213248), (160, 2512311592), (224, 1794508280), (256, 1570194745), (280, 1435606624), (320, 1256155796), (448, 897254140), (560, 717803312), (640, 628077898), (896, 448627070), (1120, 358901656), (1280, 314038949), (1792, 224313535), (2240, 179450828), (2297, 174997760), (4480, 89725414), (4594, 87498880), (8960, 44862707), (9188, 43749440), (11485, 34999552), (16079, 24999680), (18376, 21874720), (19531, 20581120), (22970, 17499776), (32158, 12499840), (36752, 10937360), (39062, 10290560), (45940, 8749888), (64316, 6249920), (73504, 5468680), (78124, 5145280), (80395, 4999936), (91880, 4374944), (97655, 4116224), (128632, 3124960), (136717, 2940160), (147008, 2734340), (156248, 2572640), (160790, 2499968), (183760, 2187472), (195310, 2058112), (257264, 1562480), (273434, 1470080), (294016, 1367170), (312496, 1286320), (321580, 1249984), (367520, 1093736), (390620, 1029056), (514528, 781240), (546868, 735040), (588032, 683585), (624992, 643160)]