72147850

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{523}}^1$

素因数の和:655

約数の個数: 48

約数和(自身を含む): 140348160

約数和(自身を除く): 68200310

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 89, 155, 178, 310, 445, 523, 775, 890, 1046, 1550, 2225, 2615, 2759, 4450, 5230, 5518, 13075, 13795, 16213, 26150, 27590, 32426, 46547, 68975, 81065, 93094, 137950, 162130, 232735, 405325, 465470, 810650, 1163675, 1442957, 2327350, 2885914, 7214785, 14429570, 36073925, 72147850]

約数ペア:

[(1, 72147850), (2, 36073925), (5, 14429570), (10, 7214785), (25, 2885914), (31, 2327350), (50, 1442957), (62, 1163675), (89, 810650), (155, 465470), (178, 405325), (310, 232735), (445, 162130), (523, 137950), (775, 93094), (890, 81065), (1046, 68975), (1550, 46547), (2225, 32426), (2615, 27590), (2759, 26150), (4450, 16213), (5230, 13795), (5518, 13075)]