1944512500

素因数分解:

$2^2\times 5^5\times 7^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:420

約数の個数: 144

約数和(自身を含む): 4945183488

約数和(自身を除く): 3000670988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 71, 100, 125, 140, 142, 175, 250, 284, 313, 350, 355, 497, 500, 625, 626, 700, 710, 875, 994, 1250, 1252, 1420, 1565, 1750, 1775, 1988, 2191, 2485, 2500, 3125, 3130, 3500, 3550, 4375, 4382, 4970, 6250, 6260, 7100, 7825, 8750, 8764, 8875, 9940, 10955, 12425, 12500, 15650, 17500, 17750, 21875, 21910, 22223, 24850, 31300, 35500, 39125, 43750, 43820, 44375, 44446, 49700, 54775, 62125, 78250, 87500, 88750, 88892, 109550, 111115, 124250, 155561, 156500, 177500, 195625, 219100, 221875, 222230, 248500, 273875, 310625, 311122, 391250, 443750, 444460, 547750, 555575, 621250, 622244, 777805, 782500, 887500, 978125, 1095500, 1111150, 1242500, 1369375, 1553125, 1555610, 1956250, 2222300, 2738750, 2777875, 3106250, 3111220, 3889025, 3912500, 5477500, 5555750, 6212500, 6846875, 7778050, 11111500, 13693750, 13889375, 15556100, 19445125, 27387500, 27778750, 38890250, 55557500, 69446875, 77780500, 97225625, 138893750, 194451250, 277787500, 388902500, 486128125, 972256250, 1944512500]

約数ペア:

[(1, 1944512500), (2, 972256250), (4, 486128125), (5, 388902500), (7, 277787500), (10, 194451250), (14, 138893750), (20, 97225625), (25, 77780500), (28, 69446875), (35, 55557500), (50, 38890250), (70, 27778750), (71, 27387500), (100, 19445125), (125, 15556100), (140, 13889375), (142, 13693750), (175, 11111500), (250, 7778050), (284, 6846875), (313, 6212500), (350, 5555750), (355, 5477500), (497, 3912500), (500, 3889025), (625, 3111220), (626, 3106250), (700, 2777875), (710, 2738750), (875, 2222300), (994, 1956250), (1250, 1555610), (1252, 1553125), (1420, 1369375), (1565, 1242500), (1750, 1111150), (1775, 1095500), (1988, 978125), (2191, 887500), (2485, 782500), (2500, 777805), (3125, 622244), (3130, 621250), (3500, 555575), (3550, 547750), (4375, 444460), (4382, 443750), (4970, 391250), (6250, 311122), (6260, 310625), (7100, 273875), (7825, 248500), (8750, 222230), (8764, 221875), (8875, 219100), (9940, 195625), (10955, 177500), (12425, 156500), (12500, 155561), (15650, 124250), (17500, 111115), (17750, 109550), (21875, 88892), (21910, 88750), (22223, 87500), (24850, 78250), (31300, 62125), (35500, 54775), (39125, 49700), (43750, 44446), (43820, 44375)]