7226840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 17647200

約数和(自身を除く): 10420360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 95, 148, 152, 185, 190, 257, 296, 370, 380, 514, 703, 740, 760, 1028, 1285, 1406, 1480, 2056, 2570, 2812, 3515, 4883, 5140, 5624, 7030, 9509, 9766, 10280, 14060, 19018, 19532, 24415, 28120, 38036, 39064, 47545, 48830, 76072, 95090, 97660, 180671, 190180, 195320, 361342, 380360, 722684, 903355, 1445368, 1806710, 3613420, 7226840]

約数ペア:

[(1, 7226840), (2, 3613420), (4, 1806710), (5, 1445368), (8, 903355), (10, 722684), (19, 380360), (20, 361342), (37, 195320), (38, 190180), (40, 180671), (74, 97660), (76, 95090), (95, 76072), (148, 48830), (152, 47545), (185, 39064), (190, 38036), (257, 28120), (296, 24415), (370, 19532), (380, 19018), (514, 14060), (703, 10280), (740, 9766), (760, 9509), (1028, 7030), (1285, 5624), (1406, 5140), (1480, 4883), (2056, 3515), (2570, 2812)]