155201500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2$

素因数の和:117

約数の個数: 144

約数和(自身を含む): 390368160

約数和(自身を除く): 235166660

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 31, 34, 38, 50, 62, 68, 76, 85, 95, 100, 124, 125, 155, 170, 190, 250, 310, 323, 340, 380, 425, 475, 500, 527, 589, 620, 646, 775, 850, 950, 961, 1054, 1178, 1292, 1550, 1615, 1700, 1900, 1922, 2108, 2125, 2356, 2375, 2635, 2945, 3100, 3230, 3844, 3875, 4250, 4750, 4805, 5270, 5890, 6460, 7750, 8075, 8500, 9500, 9610, 10013, 10540, 11780, 13175, 14725, 15500, 16150, 16337, 18259, 19220, 20026, 24025, 26350, 29450, 32300, 32674, 36518, 40052, 40375, 48050, 50065, 52700, 58900, 65348, 65875, 73036, 73625, 80750, 81685, 91295, 96100, 100130, 120125, 131750, 147250, 161500, 163370, 182590, 200260, 240250, 250325, 263500, 294500, 310403, 326740, 365180, 408425, 456475, 480500, 500650, 620806, 816850, 912950, 1001300, 1241612, 1251625, 1552015, 1633700, 1825900, 2042125, 2282375, 2503250, 3104030, 4084250, 4564750, 5006500, 6208060, 7760075, 8168500, 9129500, 15520150, 31040300, 38800375, 77600750, 155201500]

約数ペア:

[(1, 155201500), (2, 77600750), (4, 38800375), (5, 31040300), (10, 15520150), (17, 9129500), (19, 8168500), (20, 7760075), (25, 6208060), (31, 5006500), (34, 4564750), (38, 4084250), (50, 3104030), (62, 2503250), (68, 2282375), (76, 2042125), (85, 1825900), (95, 1633700), (100, 1552015), (124, 1251625), (125, 1241612), (155, 1001300), (170, 912950), (190, 816850), (250, 620806), (310, 500650), (323, 480500), (340, 456475), (380, 408425), (425, 365180), (475, 326740), (500, 310403), (527, 294500), (589, 263500), (620, 250325), (646, 240250), (775, 200260), (850, 182590), (950, 163370), (961, 161500), (1054, 147250), (1178, 131750), (1292, 120125), (1550, 100130), (1615, 96100), (1700, 91295), (1900, 81685), (1922, 80750), (2108, 73625), (2125, 73036), (2356, 65875), (2375, 65348), (2635, 58900), (2945, 52700), (3100, 50065), (3230, 48050), (3844, 40375), (3875, 40052), (4250, 36518), (4750, 32674), (4805, 32300), (5270, 29450), (5890, 26350), (6460, 24025), (7750, 20026), (8075, 19220), (8500, 18259), (9500, 16337), (9610, 16150), (10013, 15500), (10540, 14725), (11780, 13175)]