1745425840

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{20183}}^1$

素因数の和:20266

約数の個数: 80

約数和(自身を含む): 4324866048

約数和(自身を除く): 2579440208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 47, 80, 92, 94, 115, 184, 188, 230, 235, 368, 376, 460, 470, 752, 920, 940, 1081, 1840, 1880, 2162, 3760, 4324, 5405, 8648, 10810, 17296, 20183, 21620, 40366, 43240, 80732, 86480, 100915, 161464, 201830, 322928, 403660, 464209, 807320, 928418, 948601, 1614640, 1856836, 1897202, 2321045, 3713672, 3794404, 4642090, 4743005, 7427344, 7588808, 9284180, 9486010, 15177616, 18568360, 18972020, 21817823, 37136720, 37944040, 43635646, 75888080, 87271292, 109089115, 174542584, 218178230, 349085168, 436356460, 872712920, 1745425840]

約数ペア:

[(1, 1745425840), (2, 872712920), (4, 436356460), (5, 349085168), (8, 218178230), (10, 174542584), (16, 109089115), (20, 87271292), (23, 75888080), (40, 43635646), (46, 37944040), (47, 37136720), (80, 21817823), (92, 18972020), (94, 18568360), (115, 15177616), (184, 9486010), (188, 9284180), (230, 7588808), (235, 7427344), (368, 4743005), (376, 4642090), (460, 3794404), (470, 3713672), (752, 2321045), (920, 1897202), (940, 1856836), (1081, 1614640), (1840, 948601), (1880, 928418), (2162, 807320), (3760, 464209), (4324, 403660), (5405, 322928), (8648, 201830), (10810, 161464), (17296, 100915), (20183, 86480), (21620, 80732), (40366, 43240)]