202181980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{10099}}^1$

素因数の和:10139

約数の個数: 96

約数和(自身を含む): 570124800

約数和(自身を除く): 367942820

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 130, 140, 143, 154, 182, 220, 260, 286, 308, 364, 385, 455, 572, 715, 770, 910, 1001, 1430, 1540, 1820, 2002, 2860, 4004, 5005, 10010, 10099, 20020, 20198, 40396, 50495, 70693, 100990, 111089, 131287, 141386, 201980, 222178, 262574, 282772, 353465, 444356, 525148, 555445, 656435, 706930, 777623, 919009, 1110890, 1312870, 1413860, 1444157, 1555246, 1838018, 2221780, 2625740, 2888314, 3110492, 3676036, 3888115, 4595045, 5776628, 7220785, 7776230, 9190090, 10109099, 14441570, 15552460, 18380180, 20218198, 28883140, 40436396, 50545495, 101090990, 202181980]

約数ペア:

[(1, 202181980), (2, 101090990), (4, 50545495), (5, 40436396), (7, 28883140), (10, 20218198), (11, 18380180), (13, 15552460), (14, 14441570), (20, 10109099), (22, 9190090), (26, 7776230), (28, 7220785), (35, 5776628), (44, 4595045), (52, 3888115), (55, 3676036), (65, 3110492), (70, 2888314), (77, 2625740), (91, 2221780), (110, 1838018), (130, 1555246), (140, 1444157), (143, 1413860), (154, 1312870), (182, 1110890), (220, 919009), (260, 777623), (286, 706930), (308, 656435), (364, 555445), (385, 525148), (455, 444356), (572, 353465), (715, 282772), (770, 262574), (910, 222178), (1001, 201980), (1430, 141386), (1540, 131287), (1820, 111089), (2002, 100990), (2860, 70693), (4004, 50495), (5005, 40396), (10010, 20198), (10099, 20020)]