209937760

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{977}}^1$

素因数の和:1088

約数の個数: 96

約数和(自身を含む): 532344960

約数和(自身を除く): 322407200

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 79, 80, 85, 136, 158, 160, 170, 272, 316, 340, 395, 544, 632, 680, 790, 977, 1264, 1343, 1360, 1580, 1954, 2528, 2686, 2720, 3160, 3908, 4885, 5372, 6320, 6715, 7816, 9770, 10744, 12640, 13430, 15632, 16609, 19540, 21488, 26860, 31264, 33218, 39080, 42976, 53720, 66436, 77183, 78160, 83045, 107440, 132872, 154366, 156320, 166090, 214880, 265744, 308732, 332180, 385915, 531488, 617464, 664360, 771830, 1234928, 1312111, 1328720, 1543660, 2469856, 2624222, 2657440, 3087320, 5248444, 6174640, 6560555, 10496888, 12349280, 13121110, 20993776, 26242220, 41987552, 52484440, 104968880, 209937760]

約数ペア:

[(1, 209937760), (2, 104968880), (4, 52484440), (5, 41987552), (8, 26242220), (10, 20993776), (16, 13121110), (17, 12349280), (20, 10496888), (32, 6560555), (34, 6174640), (40, 5248444), (68, 3087320), (79, 2657440), (80, 2624222), (85, 2469856), (136, 1543660), (158, 1328720), (160, 1312111), (170, 1234928), (272, 771830), (316, 664360), (340, 617464), (395, 531488), (544, 385915), (632, 332180), (680, 308732), (790, 265744), (977, 214880), (1264, 166090), (1343, 156320), (1360, 154366), (1580, 132872), (1954, 107440), (2528, 83045), (2686, 78160), (2720, 77183), (3160, 66436), (3908, 53720), (4885, 42976), (5372, 39080), (6320, 33218), (6715, 31264), (7816, 26860), (9770, 21488), (10744, 19540), (12640, 16609), (13430, 15632)]