1997725590

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{26647}}^1$

素因数の和:26691

約数の個数: 144

約数和(自身を含む): 6397758432

約数和(自身を除く): 4400032842

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 30, 34, 35, 42, 45, 49, 51, 63, 70, 85, 90, 98, 102, 105, 119, 126, 147, 153, 170, 210, 238, 245, 255, 294, 306, 315, 357, 441, 490, 510, 595, 630, 714, 735, 765, 833, 882, 1071, 1190, 1470, 1530, 1666, 1785, 2142, 2205, 2499, 3570, 4165, 4410, 4998, 5355, 7497, 8330, 10710, 12495, 14994, 24990, 26647, 37485, 53294, 74970, 79941, 133235, 159882, 186529, 239823, 266470, 373058, 399705, 452999, 479646, 559587, 799410, 905998, 932645, 1119174, 1199115, 1305703, 1358997, 1678761, 1865290, 2264995, 2398230, 2611406, 2717994, 2797935, 3170993, 3357522, 3917109, 4076991, 4529990, 5595870, 6341986, 6528515, 6794985, 7834218, 8153982, 8393805, 9512979, 11751327, 13057030, 13589970, 15854965, 16787610, 19025958, 19585545, 20384955, 22196951, 23502654, 28538937, 31709930, 39171090, 40769910, 44393902, 47564895, 57077874, 58756635, 66590853, 95129790, 110984755, 117513270, 133181706, 142694685, 199772559, 221969510, 285389370, 332954265, 399545118, 665908530, 998862795, 1997725590]

約数ペア:

[(1, 1997725590), (2, 998862795), (3, 665908530), (5, 399545118), (6, 332954265), (7, 285389370), (9, 221969510), (10, 199772559), (14, 142694685), (15, 133181706), (17, 117513270), (18, 110984755), (21, 95129790), (30, 66590853), (34, 58756635), (35, 57077874), (42, 47564895), (45, 44393902), (49, 40769910), (51, 39171090), (63, 31709930), (70, 28538937), (85, 23502654), (90, 22196951), (98, 20384955), (102, 19585545), (105, 19025958), (119, 16787610), (126, 15854965), (147, 13589970), (153, 13057030), (170, 11751327), (210, 9512979), (238, 8393805), (245, 8153982), (255, 7834218), (294, 6794985), (306, 6528515), (315, 6341986), (357, 5595870), (441, 4529990), (490, 4076991), (510, 3917109), (595, 3357522), (630, 3170993), (714, 2797935), (735, 2717994), (765, 2611406), (833, 2398230), (882, 2264995), (1071, 1865290), (1190, 1678761), (1470, 1358997), (1530, 1305703), (1666, 1199115), (1785, 1119174), (2142, 932645), (2205, 905998), (2499, 799410), (3570, 559587), (4165, 479646), (4410, 452999), (4998, 399705), (5355, 373058), (7497, 266470), (8330, 239823), (10710, 186529), (12495, 159882), (14994, 133235), (24990, 79941), (26647, 74970), (37485, 53294)]