71925830

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 144460800

約数和(自身を除く): 72534970

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 109, 115, 151, 190, 218, 230, 302, 437, 545, 755, 874, 1090, 1510, 2071, 2185, 2507, 2869, 3473, 4142, 4370, 5014, 5738, 6946, 10355, 12535, 14345, 16459, 17365, 20710, 25070, 28690, 32918, 34730, 47633, 65987, 82295, 95266, 131974, 164590, 238165, 312721, 329935, 378557, 476330, 625442, 659870, 757114, 1563605, 1892785, 3127210, 3785570, 7192583, 14385166, 35962915, 71925830]

約数ペア:

[(1, 71925830), (2, 35962915), (5, 14385166), (10, 7192583), (19, 3785570), (23, 3127210), (38, 1892785), (46, 1563605), (95, 757114), (109, 659870), (115, 625442), (151, 476330), (190, 378557), (218, 329935), (230, 312721), (302, 238165), (437, 164590), (545, 131974), (755, 95266), (874, 82295), (1090, 65987), (1510, 47633), (2071, 34730), (2185, 32918), (2507, 28690), (2869, 25070), (3473, 20710), (4142, 17365), (4370, 16459), (5014, 14345), (5738, 12535), (6946, 10355)]