201990796420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{384847}}^1$

素因数の和:385049

約数の個数: 96

約数和(自身を含む): 508959940608

約数和(自身を除く): 306969144188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 163, 230, 322, 326, 460, 644, 652, 805, 815, 1141, 1610, 1630, 2282, 3220, 3260, 3749, 4564, 5705, 7498, 11410, 14996, 18745, 22820, 26243, 37490, 52486, 74980, 104972, 131215, 262430, 384847, 524860, 769694, 1539388, 1924235, 2693929, 3848470, 5387858, 7696940, 8851481, 10775716, 13469645, 17702962, 26939290, 35405924, 44257405, 53878580, 61960367, 62730061, 88514810, 123920734, 125460122, 177029620, 247841468, 250920244, 309801835, 313650305, 439110427, 619603670, 627300610, 878220854, 1239207340, 1254601220, 1442791403, 1756441708, 2195552135, 2885582806, 4391104270, 5771165612, 7213957015, 8782208540, 10099539821, 14427914030, 20199079642, 28855828060, 40398159284, 50497699105, 100995398210, 201990796420]

約数ペア:

[(1, 201990796420), (2, 100995398210), (4, 50497699105), (5, 40398159284), (7, 28855828060), (10, 20199079642), (14, 14427914030), (20, 10099539821), (23, 8782208540), (28, 7213957015), (35, 5771165612), (46, 4391104270), (70, 2885582806), (92, 2195552135), (115, 1756441708), (140, 1442791403), (161, 1254601220), (163, 1239207340), (230, 878220854), (322, 627300610), (326, 619603670), (460, 439110427), (644, 313650305), (652, 309801835), (805, 250920244), (815, 247841468), (1141, 177029620), (1610, 125460122), (1630, 123920734), (2282, 88514810), (3220, 62730061), (3260, 61960367), (3749, 53878580), (4564, 44257405), (5705, 35405924), (7498, 26939290), (11410, 17702962), (14996, 13469645), (18745, 10775716), (22820, 8851481), (26243, 7696940), (37490, 5387858), (52486, 3848470), (74980, 2693929), (104972, 1924235), (131215, 1539388), (262430, 769694), (384847, 524860)]