204064420

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{151}}^1\times {\mathrm{197}}^1$

素因数の和:378

約数の個数: 96

約数和(自身を含む): 505612800

約数和(自身を除く): 301548380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 151, 196, 197, 245, 302, 343, 394, 490, 604, 686, 755, 788, 980, 985, 1057, 1372, 1379, 1510, 1715, 1970, 2114, 2758, 3020, 3430, 3940, 4228, 5285, 5516, 6860, 6895, 7399, 9653, 10570, 13790, 14798, 19306, 21140, 27580, 29596, 29747, 36995, 38612, 48265, 51793, 59494, 67571, 73990, 96530, 103586, 118988, 135142, 147980, 148735, 193060, 207172, 208229, 258965, 270284, 297470, 337855, 416458, 517930, 594940, 675710, 832916, 1035860, 1041145, 1351420, 1457603, 2082290, 2915206, 4164580, 5830412, 7288015, 10203221, 14576030, 20406442, 29152060, 40812884, 51016105, 102032210, 204064420]

約数ペア:

[(1, 204064420), (2, 102032210), (4, 51016105), (5, 40812884), (7, 29152060), (10, 20406442), (14, 14576030), (20, 10203221), (28, 7288015), (35, 5830412), (49, 4164580), (70, 2915206), (98, 2082290), (140, 1457603), (151, 1351420), (196, 1041145), (197, 1035860), (245, 832916), (302, 675710), (343, 594940), (394, 517930), (490, 416458), (604, 337855), (686, 297470), (755, 270284), (788, 258965), (980, 208229), (985, 207172), (1057, 193060), (1372, 148735), (1379, 147980), (1510, 135142), (1715, 118988), (1970, 103586), (2114, 96530), (2758, 73990), (3020, 67571), (3430, 59494), (3940, 51793), (4228, 48265), (5285, 38612), (5516, 36995), (6860, 29747), (6895, 29596), (7399, 27580), (9653, 21140), (10570, 19306), (13790, 14798)]