1291239460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{3217}}^1$

素因数の和:3341

約数の個数: 96

約数和(自身を含む): 3217794048

約数和(自身を除く): 1926554588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 61, 70, 94, 122, 140, 188, 235, 244, 305, 329, 427, 470, 610, 658, 854, 940, 1220, 1316, 1645, 1708, 2135, 2867, 3217, 3290, 4270, 5734, 6434, 6580, 8540, 11468, 12868, 14335, 16085, 20069, 22519, 28670, 32170, 40138, 45038, 57340, 64340, 80276, 90076, 100345, 112595, 151199, 196237, 200690, 225190, 302398, 392474, 401380, 450380, 604796, 755995, 784948, 981185, 1058393, 1373659, 1511990, 1962370, 2116786, 2747318, 3023980, 3924740, 4233572, 5291965, 5494636, 6868295, 9223139, 10583930, 13736590, 18446278, 21167860, 27473180, 36892556, 46115695, 64561973, 92231390, 129123946, 184462780, 258247892, 322809865, 645619730, 1291239460]

約数ペア:

[(1, 1291239460), (2, 645619730), (4, 322809865), (5, 258247892), (7, 184462780), (10, 129123946), (14, 92231390), (20, 64561973), (28, 46115695), (35, 36892556), (47, 27473180), (61, 21167860), (70, 18446278), (94, 13736590), (122, 10583930), (140, 9223139), (188, 6868295), (235, 5494636), (244, 5291965), (305, 4233572), (329, 3924740), (427, 3023980), (470, 2747318), (610, 2116786), (658, 1962370), (854, 1511990), (940, 1373659), (1220, 1058393), (1316, 981185), (1645, 784948), (1708, 755995), (2135, 604796), (2867, 450380), (3217, 401380), (3290, 392474), (4270, 302398), (5734, 225190), (6434, 200690), (6580, 196237), (8540, 151199), (11468, 112595), (12868, 100345), (14335, 90076), (16085, 80276), (20069, 64340), (22519, 57340), (28670, 45038), (32170, 40138)]