254240070

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:390

約数の個数: 128

約数和(自身を含む): 719953920

約数和(自身を除く): 465713850

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 61, 70, 89, 105, 122, 178, 183, 210, 223, 267, 305, 366, 427, 445, 446, 534, 610, 623, 669, 854, 890, 915, 1115, 1246, 1281, 1335, 1338, 1561, 1830, 1869, 2135, 2230, 2562, 2670, 3115, 3122, 3345, 3738, 4270, 4683, 5429, 6230, 6405, 6690, 7805, 9345, 9366, 10858, 12810, 13603, 15610, 16287, 18690, 19847, 23415, 27145, 27206, 32574, 38003, 39694, 40809, 46830, 54290, 59541, 68015, 76006, 81435, 81618, 95221, 99235, 114009, 119082, 136030, 138929, 162870, 190015, 190442, 198470, 204045, 228018, 277858, 285663, 297705, 380030, 408090, 416787, 476105, 570045, 571326, 595410, 694645, 833574, 952210, 1140090, 1210667, 1389290, 1428315, 2083935, 2421334, 2856630, 3632001, 4167870, 6053335, 7264002, 8474669, 12106670, 16949338, 18160005, 25424007, 36320010, 42373345, 50848014, 84746690, 127120035, 254240070]

約数ペア:

[(1, 254240070), (2, 127120035), (3, 84746690), (5, 50848014), (6, 42373345), (7, 36320010), (10, 25424007), (14, 18160005), (15, 16949338), (21, 12106670), (30, 8474669), (35, 7264002), (42, 6053335), (61, 4167870), (70, 3632001), (89, 2856630), (105, 2421334), (122, 2083935), (178, 1428315), (183, 1389290), (210, 1210667), (223, 1140090), (267, 952210), (305, 833574), (366, 694645), (427, 595410), (445, 571326), (446, 570045), (534, 476105), (610, 416787), (623, 408090), (669, 380030), (854, 297705), (890, 285663), (915, 277858), (1115, 228018), (1246, 204045), (1281, 198470), (1335, 190442), (1338, 190015), (1561, 162870), (1830, 138929), (1869, 136030), (2135, 119082), (2230, 114009), (2562, 99235), (2670, 95221), (3115, 81618), (3122, 81435), (3345, 76006), (3738, 68015), (4270, 59541), (4683, 54290), (5429, 46830), (6230, 40809), (6405, 39694), (6690, 38003), (7805, 32574), (9345, 27206), (9366, 27145), (10858, 23415), (12810, 19847), (13603, 18690), (15610, 16287)]