491969340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1193}}^1$

素因数の和:1316

約数の個数: 144

約数和(自身を含む): 1564617600

約数和(自身を除く): 1072648260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 79, 87, 90, 116, 145, 158, 174, 180, 237, 261, 290, 316, 348, 395, 435, 474, 522, 580, 711, 790, 870, 948, 1044, 1185, 1193, 1305, 1422, 1580, 1740, 2291, 2370, 2386, 2610, 2844, 3555, 3579, 4582, 4740, 4772, 5220, 5965, 6873, 7110, 7158, 9164, 10737, 11455, 11930, 13746, 14220, 14316, 17895, 20619, 21474, 22910, 23860, 27492, 34365, 34597, 35790, 41238, 42948, 45820, 53685, 68730, 69194, 71580, 82476, 94247, 103095, 103791, 107370, 137460, 138388, 172985, 188494, 206190, 207582, 214740, 282741, 311373, 345970, 376988, 412380, 415164, 471235, 518955, 565482, 622746, 691940, 848223, 942470, 1037910, 1130964, 1245492, 1413705, 1556865, 1696446, 1884940, 2075820, 2733163, 2827410, 3113730, 3392892, 4241115, 5466326, 5654820, 6227460, 8199489, 8482230, 10932652, 13665815, 16398978, 16964460, 24598467, 27331630, 32797956, 40997445, 49196934, 54663260, 81994890, 98393868, 122992335, 163989780, 245984670, 491969340]

約数ペア:

[(1, 491969340), (2, 245984670), (3, 163989780), (4, 122992335), (5, 98393868), (6, 81994890), (9, 54663260), (10, 49196934), (12, 40997445), (15, 32797956), (18, 27331630), (20, 24598467), (29, 16964460), (30, 16398978), (36, 13665815), (45, 10932652), (58, 8482230), (60, 8199489), (79, 6227460), (87, 5654820), (90, 5466326), (116, 4241115), (145, 3392892), (158, 3113730), (174, 2827410), (180, 2733163), (237, 2075820), (261, 1884940), (290, 1696446), (316, 1556865), (348, 1413705), (395, 1245492), (435, 1130964), (474, 1037910), (522, 942470), (580, 848223), (711, 691940), (790, 622746), (870, 565482), (948, 518955), (1044, 471235), (1185, 415164), (1193, 412380), (1305, 376988), (1422, 345970), (1580, 311373), (1740, 282741), (2291, 214740), (2370, 207582), (2386, 206190), (2610, 188494), (2844, 172985), (3555, 138388), (3579, 137460), (4582, 107370), (4740, 103791), (4772, 103095), (5220, 94247), (5965, 82476), (6873, 71580), (7110, 69194), (7158, 68730), (9164, 53685), (10737, 45820), (11455, 42948), (11930, 41238), (13746, 35790), (14220, 34597), (14316, 34365), (17895, 27492), (20619, 23860), (21474, 22910)]