76200020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^2$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 178997784

約数和(自身を除く): 102797764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 89, 130, 148, 178, 185, 260, 356, 370, 445, 481, 740, 890, 962, 1157, 1780, 1924, 2314, 2405, 3293, 4628, 4810, 5785, 6586, 7921, 9620, 11570, 13172, 15842, 16465, 23140, 31684, 32930, 39605, 42809, 65860, 79210, 85618, 102973, 158420, 171236, 205946, 214045, 293077, 411892, 428090, 514865, 586154, 856180, 1029730, 1172308, 1465385, 2059460, 2930770, 3810001, 5861540, 7620002, 15240004, 19050005, 38100010, 76200020]

約数ペア:

[(1, 76200020), (2, 38100010), (4, 19050005), (5, 15240004), (10, 7620002), (13, 5861540), (20, 3810001), (26, 2930770), (37, 2059460), (52, 1465385), (65, 1172308), (74, 1029730), (89, 856180), (130, 586154), (148, 514865), (178, 428090), (185, 411892), (260, 293077), (356, 214045), (370, 205946), (445, 171236), (481, 158420), (740, 102973), (890, 85618), (962, 79210), (1157, 65860), (1780, 42809), (1924, 39605), (2314, 32930), (2405, 31684), (3293, 23140), (4628, 16465), (4810, 15842), (5785, 13172), (6586, 11570), (7921, 9620)]