128197600

素因数分解:

$2^5\times 5^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:189

約数の個数: 144

約数和(自身を含む): 331291296

約数和(自身を除く): 203093696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 37, 40, 50, 61, 71, 74, 80, 100, 122, 142, 148, 160, 185, 200, 244, 284, 296, 305, 355, 370, 400, 488, 568, 592, 610, 710, 740, 800, 925, 976, 1136, 1184, 1220, 1420, 1480, 1525, 1775, 1850, 1952, 2257, 2272, 2440, 2627, 2840, 2960, 3050, 3550, 3700, 4331, 4514, 4880, 5254, 5680, 5920, 6100, 7100, 7400, 8662, 9028, 9760, 10508, 11285, 11360, 12200, 13135, 14200, 14800, 17324, 18056, 21016, 21655, 22570, 24400, 26270, 28400, 29600, 34648, 36112, 42032, 43310, 45140, 48800, 52540, 56425, 56800, 65675, 69296, 72224, 84064, 86620, 90280, 105080, 108275, 112850, 131350, 138592, 160247, 173240, 180560, 210160, 216550, 225700, 262700, 320494, 346480, 361120, 420320, 433100, 451400, 525400, 640988, 692960, 801235, 866200, 902800, 1050800, 1281976, 1602470, 1732400, 1805600, 2101600, 2563952, 3204940, 3464800, 4006175, 5127904, 6409880, 8012350, 12819760, 16024700, 25639520, 32049400, 64098800, 128197600]

約数ペア:

[(1, 128197600), (2, 64098800), (4, 32049400), (5, 25639520), (8, 16024700), (10, 12819760), (16, 8012350), (20, 6409880), (25, 5127904), (32, 4006175), (37, 3464800), (40, 3204940), (50, 2563952), (61, 2101600), (71, 1805600), (74, 1732400), (80, 1602470), (100, 1281976), (122, 1050800), (142, 902800), (148, 866200), (160, 801235), (185, 692960), (200, 640988), (244, 525400), (284, 451400), (296, 433100), (305, 420320), (355, 361120), (370, 346480), (400, 320494), (488, 262700), (568, 225700), (592, 216550), (610, 210160), (710, 180560), (740, 173240), (800, 160247), (925, 138592), (976, 131350), (1136, 112850), (1184, 108275), (1220, 105080), (1420, 90280), (1480, 86620), (1525, 84064), (1775, 72224), (1850, 69296), (1952, 65675), (2257, 56800), (2272, 56425), (2440, 52540), (2627, 48800), (2840, 45140), (2960, 43310), (3050, 42032), (3550, 36112), (3700, 34648), (4331, 29600), (4514, 28400), (4880, 26270), (5254, 24400), (5680, 22570), (5920, 21655), (6100, 21016), (7100, 18056), (7400, 17324), (8662, 14800), (9028, 14200), (9760, 13135), (10508, 12200), (11285, 11360)]