2018944550

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:367

約数の個数: 144

約数和(自身を含む): 4541896800

約数和(自身を除く): 2522952250

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 41, 49, 50, 70, 82, 98, 101, 175, 199, 202, 205, 245, 287, 350, 398, 410, 490, 505, 574, 707, 995, 1010, 1025, 1225, 1393, 1414, 1435, 1990, 2009, 2050, 2450, 2525, 2786, 2870, 3535, 4018, 4141, 4949, 4975, 5050, 6965, 7070, 7175, 8159, 8282, 9751, 9898, 9950, 10045, 13930, 14350, 16318, 17675, 19502, 20090, 20099, 20705, 24745, 28987, 34825, 35350, 40198, 40795, 41410, 48755, 49490, 50225, 57113, 57974, 69650, 81590, 97510, 100450, 100495, 103525, 114226, 123725, 140693, 144935, 200990, 202909, 203975, 207050, 243775, 247450, 281386, 285565, 289870, 399791, 405818, 407950, 487550, 502475, 571130, 703465, 724675, 799582, 824059, 984851, 1004950, 1014545, 1406930, 1427825, 1449350, 1648118, 1969702, 1998955, 2029090, 2855650, 3517325, 3997910, 4120295, 4924255, 5072725, 5768413, 7034650, 8240590, 9848510, 9994775, 10145450, 11536826, 19989550, 20601475, 24621275, 28842065, 40378891, 41202950, 49242550, 57684130, 80757782, 144210325, 201894455, 288420650, 403788910, 1009472275, 2018944550]

約数ペア:

[(1, 2018944550), (2, 1009472275), (5, 403788910), (7, 288420650), (10, 201894455), (14, 144210325), (25, 80757782), (35, 57684130), (41, 49242550), (49, 41202950), (50, 40378891), (70, 28842065), (82, 24621275), (98, 20601475), (101, 19989550), (175, 11536826), (199, 10145450), (202, 9994775), (205, 9848510), (245, 8240590), (287, 7034650), (350, 5768413), (398, 5072725), (410, 4924255), (490, 4120295), (505, 3997910), (574, 3517325), (707, 2855650), (995, 2029090), (1010, 1998955), (1025, 1969702), (1225, 1648118), (1393, 1449350), (1414, 1427825), (1435, 1406930), (1990, 1014545), (2009, 1004950), (2050, 984851), (2450, 824059), (2525, 799582), (2786, 724675), (2870, 703465), (3535, 571130), (4018, 502475), (4141, 487550), (4949, 407950), (4975, 405818), (5050, 399791), (6965, 289870), (7070, 285565), (7175, 281386), (8159, 247450), (8282, 243775), (9751, 207050), (9898, 203975), (9950, 202909), (10045, 200990), (13930, 144935), (14350, 140693), (16318, 123725), (17675, 114226), (19502, 103525), (20090, 100495), (20099, 100450), (20705, 97510), (24745, 81590), (28987, 69650), (34825, 57974), (35350, 57113), (40198, 50225), (40795, 49490), (41410, 48755)]