661249300

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{2131}}^1$

素因数の和:2281

約数の個数: 72

約数和(自身を含む): 1498966560

約数和(自身を除く): 837717260

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 107, 116, 145, 214, 290, 428, 535, 580, 725, 1070, 1450, 2131, 2140, 2675, 2900, 3103, 4262, 5350, 6206, 8524, 10655, 10700, 12412, 15515, 21310, 31030, 42620, 53275, 61799, 62060, 77575, 106550, 123598, 155150, 213100, 228017, 247196, 308995, 310300, 456034, 617990, 912068, 1140085, 1235980, 1544975, 2280170, 3089950, 4560340, 5700425, 6179900, 6612493, 11400850, 13224986, 22801700, 26449972, 33062465, 66124930, 132249860, 165312325, 330624650, 661249300]

約数ペア:

[(1, 661249300), (2, 330624650), (4, 165312325), (5, 132249860), (10, 66124930), (20, 33062465), (25, 26449972), (29, 22801700), (50, 13224986), (58, 11400850), (100, 6612493), (107, 6179900), (116, 5700425), (145, 4560340), (214, 3089950), (290, 2280170), (428, 1544975), (535, 1235980), (580, 1140085), (725, 912068), (1070, 617990), (1450, 456034), (2131, 310300), (2140, 308995), (2675, 247196), (2900, 228017), (3103, 213100), (4262, 155150), (5350, 123598), (6206, 106550), (8524, 77575), (10655, 62060), (10700, 61799), (12412, 53275), (15515, 42620), (21310, 31030)]