17996930650

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{1453}}^1$

素因数の和:1688

約数の個数: 96

約数和(自身を含む): 35413019136

約数和(自身を除く): 17416088486

約数列:

[1, 2, 5, 10, 25, 31, 50, 61, 62, 122, 131, 155, 262, 305, 310, 610, 655, 775, 1310, 1453, 1525, 1550, 1891, 2906, 3050, 3275, 3782, 4061, 6550, 7265, 7991, 8122, 9455, 14530, 15982, 18910, 20305, 36325, 39955, 40610, 45043, 47275, 72650, 79910, 88633, 90086, 94550, 101525, 177266, 190343, 199775, 203050, 225215, 247721, 380686, 399550, 443165, 450430, 495442, 886330, 951715, 1126075, 1238605, 1903430, 2215825, 2252150, 2477210, 2747623, 4431650, 4758575, 5495246, 5900633, 6193025, 9517150, 11610923, 11801266, 12386050, 13738115, 23221846, 27476230, 29503165, 58054615, 59006330, 68690575, 116109230, 137381150, 147515825, 290273075, 295031650, 359938613, 580546150, 719877226, 1799693065, 3599386130, 8998465325, 17996930650]

約数ペア:

[(1, 17996930650), (2, 8998465325), (5, 3599386130), (10, 1799693065), (25, 719877226), (31, 580546150), (50, 359938613), (61, 295031650), (62, 290273075), (122, 147515825), (131, 137381150), (155, 116109230), (262, 68690575), (305, 59006330), (310, 58054615), (610, 29503165), (655, 27476230), (775, 23221846), (1310, 13738115), (1453, 12386050), (1525, 11801266), (1550, 11610923), (1891, 9517150), (2906, 6193025), (3050, 5900633), (3275, 5495246), (3782, 4758575), (4061, 4431650), (6550, 2747623), (7265, 2477210), (7991, 2252150), (8122, 2215825), (9455, 1903430), (14530, 1238605), (15982, 1126075), (18910, 951715), (20305, 886330), (36325, 495442), (39955, 450430), (40610, 443165), (45043, 399550), (47275, 380686), (72650, 247721), (79910, 225215), (88633, 203050), (90086, 199775), (94550, 190343), (101525, 177266)]