30811300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:337

約数の個数: 72

約数和(自身を含む): 72948456

約数和(自身を除く): 42137156

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 137, 173, 260, 274, 325, 346, 548, 650, 685, 692, 865, 1300, 1370, 1730, 1781, 2249, 2740, 3425, 3460, 3562, 4325, 4498, 6850, 7124, 8650, 8905, 8996, 11245, 13700, 17300, 17810, 22490, 23701, 35620, 44525, 44980, 47402, 56225, 89050, 94804, 112450, 118505, 178100, 224900, 237010, 308113, 474020, 592525, 616226, 1185050, 1232452, 1540565, 2370100, 3081130, 6162260, 7702825, 15405650, 30811300]

約数ペア:

[(1, 30811300), (2, 15405650), (4, 7702825), (5, 6162260), (10, 3081130), (13, 2370100), (20, 1540565), (25, 1232452), (26, 1185050), (50, 616226), (52, 592525), (65, 474020), (100, 308113), (130, 237010), (137, 224900), (173, 178100), (260, 118505), (274, 112450), (325, 94804), (346, 89050), (548, 56225), (650, 47402), (685, 44980), (692, 44525), (865, 35620), (1300, 23701), (1370, 22490), (1730, 17810), (1781, 17300), (2249, 13700), (2740, 11245), (3425, 8996), (3460, 8905), (3562, 8650), (4325, 7124), (4498, 6850)]