28291238260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{32497}}^1$

素因数の和:32633

約数の個数: 96

約数和(自身を含む): 65515968000

約数和(自身を除く): 37224729740

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 79, 95, 116, 145, 158, 190, 290, 316, 380, 395, 551, 580, 790, 1102, 1501, 1580, 2204, 2291, 2755, 3002, 4582, 5510, 6004, 7505, 9164, 11020, 11455, 15010, 22910, 30020, 32497, 43529, 45820, 64994, 87058, 129988, 162485, 174116, 217645, 324970, 435290, 617443, 649940, 870580, 942413, 1234886, 1884826, 2469772, 2567263, 3087215, 3769652, 4712065, 5134526, 6174430, 9424130, 10269052, 12348860, 12836315, 17905847, 18848260, 25672630, 35811694, 48777997, 51345260, 71623388, 74450627, 89529235, 97555994, 148901254, 179058470, 195111988, 243889985, 297802508, 358116940, 372253135, 487779970, 744506270, 975559940, 1414561913, 1489012540, 2829123826, 5658247652, 7072809565, 14145619130, 28291238260]

約数ペア:

[(1, 28291238260), (2, 14145619130), (4, 7072809565), (5, 5658247652), (10, 2829123826), (19, 1489012540), (20, 1414561913), (29, 975559940), (38, 744506270), (58, 487779970), (76, 372253135), (79, 358116940), (95, 297802508), (116, 243889985), (145, 195111988), (158, 179058470), (190, 148901254), (290, 97555994), (316, 89529235), (380, 74450627), (395, 71623388), (551, 51345260), (580, 48777997), (790, 35811694), (1102, 25672630), (1501, 18848260), (1580, 17905847), (2204, 12836315), (2291, 12348860), (2755, 10269052), (3002, 9424130), (4582, 6174430), (5510, 5134526), (6004, 4712065), (7505, 3769652), (9164, 3087215), (11020, 2567263), (11455, 2469772), (15010, 1884826), (22910, 1234886), (30020, 942413), (32497, 870580), (43529, 649940), (45820, 617443), (64994, 435290), (87058, 324970), (129988, 217645), (162485, 174116)]