137983820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^2$

素因数の和:267

約数の個数: 72

約数和(自身を含む): 320311824

約数和(自身を除く): 182328004

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 89, 130, 134, 178, 260, 268, 335, 356, 445, 670, 871, 890, 1157, 1340, 1742, 1780, 2314, 3484, 4355, 4628, 5785, 5963, 7921, 8710, 11570, 11926, 15842, 17420, 23140, 23852, 29815, 31684, 39605, 59630, 77519, 79210, 102973, 119260, 155038, 158420, 205946, 310076, 387595, 411892, 514865, 530707, 775190, 1029730, 1061414, 1550380, 2059460, 2122828, 2653535, 5307070, 6899191, 10614140, 13798382, 27596764, 34495955, 68991910, 137983820]

約数ペア:

[(1, 137983820), (2, 68991910), (4, 34495955), (5, 27596764), (10, 13798382), (13, 10614140), (20, 6899191), (26, 5307070), (52, 2653535), (65, 2122828), (67, 2059460), (89, 1550380), (130, 1061414), (134, 1029730), (178, 775190), (260, 530707), (268, 514865), (335, 411892), (356, 387595), (445, 310076), (670, 205946), (871, 158420), (890, 155038), (1157, 119260), (1340, 102973), (1742, 79210), (1780, 77519), (2314, 59630), (3484, 39605), (4355, 31684), (4628, 29815), (5785, 23852), (5963, 23140), (7921, 17420), (8710, 15842), (11570, 11926)]