2912913040

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{599}}^1\times {\mathrm{683}}^1$

素因数の和:1384

約数の個数: 80

約数和(自身を含む): 6870096000

約数和(自身を除く): 3957182960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 599, 683, 712, 890, 1198, 1366, 1424, 1780, 2396, 2732, 2995, 3415, 3560, 4792, 5464, 5990, 6830, 7120, 9584, 10928, 11980, 13660, 23960, 27320, 47920, 53311, 54640, 60787, 106622, 121574, 213244, 243148, 266555, 303935, 409117, 426488, 486296, 533110, 607870, 818234, 852976, 972592, 1066220, 1215740, 1636468, 2045585, 2132440, 2431480, 3272936, 4091170, 4264880, 4862960, 6545872, 8182340, 16364680, 32729360, 36411413, 72822826, 145645652, 182057065, 291291304, 364114130, 582582608, 728228260, 1456456520, 2912913040]

約数ペア:

[(1, 2912913040), (2, 1456456520), (4, 728228260), (5, 582582608), (8, 364114130), (10, 291291304), (16, 182057065), (20, 145645652), (40, 72822826), (80, 36411413), (89, 32729360), (178, 16364680), (356, 8182340), (445, 6545872), (599, 4862960), (683, 4264880), (712, 4091170), (890, 3272936), (1198, 2431480), (1366, 2132440), (1424, 2045585), (1780, 1636468), (2396, 1215740), (2732, 1066220), (2995, 972592), (3415, 852976), (3560, 818234), (4792, 607870), (5464, 533110), (5990, 486296), (6830, 426488), (7120, 409117), (9584, 303935), (10928, 266555), (11980, 243148), (13660, 213244), (23960, 121574), (27320, 106622), (47920, 60787), (53311, 54640)]