20280965300

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{1151}}^1$

素因数の和:1398

約数の個数: 144

約数和(自身を含む): 47228977152

約数和(自身を除く): 26948011852

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 47, 50, 92, 94, 100, 115, 163, 188, 230, 235, 326, 460, 470, 575, 652, 815, 940, 1081, 1150, 1151, 1175, 1630, 2162, 2300, 2302, 2350, 3260, 3749, 4075, 4324, 4604, 4700, 5405, 5755, 7498, 7661, 8150, 10810, 11510, 14996, 15322, 16300, 18745, 21620, 23020, 26473, 27025, 28775, 30644, 37490, 38305, 52946, 54050, 54097, 57550, 74980, 76610, 93725, 105892, 108100, 108194, 115100, 132365, 153220, 176203, 187450, 187613, 191525, 216388, 264730, 270485, 352406, 374900, 375226, 383050, 529460, 540970, 661825, 704812, 750452, 766100, 881015, 938065, 1081940, 1244231, 1323650, 1352425, 1762030, 1876130, 2488462, 2647300, 2704850, 3524060, 3752260, 4315099, 4405075, 4690325, 4976924, 5409700, 6221155, 8630198, 8810150, 8817811, 9380650, 12442310, 17260396, 17620300, 17635622, 18761300, 21575495, 24884620, 31105775, 35271244, 43150990, 44089055, 62211550, 86301980, 88178110, 107877475, 124423100, 176356220, 202809653, 215754950, 220445275, 405619306, 431509900, 440890550, 811238612, 881781100, 1014048265, 2028096530, 4056193060, 5070241325, 10140482650, 20280965300]

約数ペア:

[(1, 20280965300), (2, 10140482650), (4, 5070241325), (5, 4056193060), (10, 2028096530), (20, 1014048265), (23, 881781100), (25, 811238612), (46, 440890550), (47, 431509900), (50, 405619306), (92, 220445275), (94, 215754950), (100, 202809653), (115, 176356220), (163, 124423100), (188, 107877475), (230, 88178110), (235, 86301980), (326, 62211550), (460, 44089055), (470, 43150990), (575, 35271244), (652, 31105775), (815, 24884620), (940, 21575495), (1081, 18761300), (1150, 17635622), (1151, 17620300), (1175, 17260396), (1630, 12442310), (2162, 9380650), (2300, 8817811), (2302, 8810150), (2350, 8630198), (3260, 6221155), (3749, 5409700), (4075, 4976924), (4324, 4690325), (4604, 4405075), (4700, 4315099), (5405, 3752260), (5755, 3524060), (7498, 2704850), (7661, 2647300), (8150, 2488462), (10810, 1876130), (11510, 1762030), (14996, 1352425), (15322, 1323650), (16300, 1244231), (18745, 1081940), (21620, 938065), (23020, 881015), (26473, 766100), (27025, 750452), (28775, 704812), (30644, 661825), (37490, 540970), (38305, 529460), (52946, 383050), (54050, 375226), (54097, 374900), (57550, 352406), (74980, 270485), (76610, 264730), (93725, 216388), (105892, 191525), (108100, 187613), (108194, 187450), (115100, 176203), (132365, 153220)]