159777100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:288

約数の個数: 144

約数和(自身を含む): 422195200

約数和(自身を除く): 262418100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 37, 50, 62, 70, 74, 100, 124, 140, 148, 155, 175, 185, 199, 217, 259, 310, 350, 370, 398, 434, 518, 620, 700, 740, 775, 796, 868, 925, 995, 1036, 1085, 1147, 1295, 1393, 1550, 1850, 1990, 2170, 2294, 2590, 2786, 3100, 3700, 3980, 4340, 4588, 4975, 5180, 5425, 5572, 5735, 6169, 6475, 6965, 7363, 8029, 9950, 10850, 11470, 12338, 12950, 13930, 14726, 16058, 19900, 21700, 22940, 24676, 25900, 27860, 28675, 29452, 30845, 32116, 34825, 36815, 40145, 43183, 51541, 57350, 61690, 69650, 73630, 80290, 86366, 103082, 114700, 123380, 139300, 147260, 154225, 160580, 172732, 184075, 200725, 206164, 215915, 228253, 257705, 308450, 368150, 401450, 431830, 456506, 515410, 616900, 736300, 802900, 863660, 913012, 1030820, 1079575, 1141265, 1288525, 1597771, 2159150, 2282530, 2577050, 3195542, 4318300, 4565060, 5154100, 5706325, 6391084, 7988855, 11412650, 15977710, 22825300, 31955420, 39944275, 79888550, 159777100]

約数ペア:

[(1, 159777100), (2, 79888550), (4, 39944275), (5, 31955420), (7, 22825300), (10, 15977710), (14, 11412650), (20, 7988855), (25, 6391084), (28, 5706325), (31, 5154100), (35, 4565060), (37, 4318300), (50, 3195542), (62, 2577050), (70, 2282530), (74, 2159150), (100, 1597771), (124, 1288525), (140, 1141265), (148, 1079575), (155, 1030820), (175, 913012), (185, 863660), (199, 802900), (217, 736300), (259, 616900), (310, 515410), (350, 456506), (370, 431830), (398, 401450), (434, 368150), (518, 308450), (620, 257705), (700, 228253), (740, 215915), (775, 206164), (796, 200725), (868, 184075), (925, 172732), (995, 160580), (1036, 154225), (1085, 147260), (1147, 139300), (1295, 123380), (1393, 114700), (1550, 103082), (1850, 86366), (1990, 80290), (2170, 73630), (2294, 69650), (2590, 61690), (2786, 57350), (3100, 51541), (3700, 43183), (3980, 40145), (4340, 36815), (4588, 34825), (4975, 32116), (5180, 30845), (5425, 29452), (5572, 28675), (5735, 27860), (6169, 25900), (6475, 24676), (6965, 22940), (7363, 21700), (8029, 19900), (9950, 16058), (10850, 14726), (11470, 13930), (12338, 12950)]