204954640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{683}}^1$

素因数の和:749

約数の個数: 120

約数和(自身を含む): 541465344

約数和(自身を除く): 336510704

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 121, 124, 155, 176, 220, 242, 248, 310, 341, 440, 484, 496, 605, 620, 682, 683, 880, 968, 1210, 1240, 1364, 1366, 1705, 1936, 2420, 2480, 2728, 2732, 3410, 3415, 3751, 4840, 5456, 5464, 6820, 6830, 7502, 7513, 9680, 10928, 13640, 13660, 15004, 15026, 18755, 21173, 27280, 27320, 30008, 30052, 37510, 37565, 42346, 54640, 60016, 60104, 75020, 75130, 82643, 84692, 105865, 120208, 150040, 150260, 165286, 169384, 211730, 232903, 300080, 300520, 330572, 338768, 413215, 423460, 465806, 601040, 661144, 826430, 846920, 931612, 1164515, 1322288, 1652860, 1693840, 1863224, 2329030, 2561933, 3305720, 3726448, 4658060, 5123866, 6611440, 9316120, 10247732, 12809665, 18632240, 20495464, 25619330, 40990928, 51238660, 102477320, 204954640]

約数ペア:

[(1, 204954640), (2, 102477320), (4, 51238660), (5, 40990928), (8, 25619330), (10, 20495464), (11, 18632240), (16, 12809665), (20, 10247732), (22, 9316120), (31, 6611440), (40, 5123866), (44, 4658060), (55, 3726448), (62, 3305720), (80, 2561933), (88, 2329030), (110, 1863224), (121, 1693840), (124, 1652860), (155, 1322288), (176, 1164515), (220, 931612), (242, 846920), (248, 826430), (310, 661144), (341, 601040), (440, 465806), (484, 423460), (496, 413215), (605, 338768), (620, 330572), (682, 300520), (683, 300080), (880, 232903), (968, 211730), (1210, 169384), (1240, 165286), (1364, 150260), (1366, 150040), (1705, 120208), (1936, 105865), (2420, 84692), (2480, 82643), (2728, 75130), (2732, 75020), (3410, 60104), (3415, 60016), (3751, 54640), (4840, 42346), (5456, 37565), (5464, 37510), (6820, 30052), (6830, 30008), (7502, 27320), (7513, 27280), (9680, 21173), (10928, 18755), (13640, 15026), (13660, 15004)]