304811780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{991}}^1$

素因数の和:1046

約数の個数: 96

約数和(自身を含む): 793282560

約数和(自身を除く): 488470780

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 338, 364, 455, 676, 845, 910, 991, 1183, 1690, 1820, 1982, 2197, 2366, 3380, 3964, 4394, 4732, 4955, 5915, 6937, 8788, 9910, 10985, 11830, 12883, 13874, 15379, 19820, 21970, 23660, 25766, 27748, 30758, 34685, 43940, 51532, 61516, 64415, 69370, 76895, 90181, 128830, 138740, 153790, 167479, 180362, 257660, 307580, 334958, 360724, 450905, 669916, 837395, 901810, 1172353, 1674790, 1803620, 2177227, 2344706, 3349580, 4354454, 4689412, 5861765, 8708908, 10886135, 11723530, 15240589, 21772270, 23447060, 30481178, 43544540, 60962356, 76202945, 152405890, 304811780]

約数ペア:

[(1, 304811780), (2, 152405890), (4, 76202945), (5, 60962356), (7, 43544540), (10, 30481178), (13, 23447060), (14, 21772270), (20, 15240589), (26, 11723530), (28, 10886135), (35, 8708908), (52, 5861765), (65, 4689412), (70, 4354454), (91, 3349580), (130, 2344706), (140, 2177227), (169, 1803620), (182, 1674790), (260, 1172353), (338, 901810), (364, 837395), (455, 669916), (676, 450905), (845, 360724), (910, 334958), (991, 307580), (1183, 257660), (1690, 180362), (1820, 167479), (1982, 153790), (2197, 138740), (2366, 128830), (3380, 90181), (3964, 76895), (4394, 69370), (4732, 64415), (4955, 61516), (5915, 51532), (6937, 43940), (8788, 34685), (9910, 30758), (10985, 27748), (11830, 25766), (12883, 23660), (13874, 21970), (15379, 19820)]