28215544300

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{397}}^1\times {\mathrm{431}}^1$

素因数の和:956

約数の個数: 144

約数和(自身を含む): 65815037568

約数和(自身を除く): 37599493268

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 97, 100, 170, 194, 340, 388, 397, 425, 431, 485, 794, 850, 862, 970, 1588, 1649, 1700, 1724, 1940, 1985, 2155, 2425, 3298, 3970, 4310, 4850, 6596, 6749, 7327, 7940, 8245, 8620, 9700, 9925, 10775, 13498, 14654, 16490, 19850, 21550, 26996, 29308, 32980, 33745, 36635, 38509, 39700, 41225, 41807, 43100, 67490, 73270, 77018, 82450, 83614, 134980, 146540, 154036, 164900, 167228, 168725, 171107, 183175, 192545, 209035, 337450, 342214, 366350, 385090, 418070, 654653, 674900, 684428, 710719, 732700, 770180, 836140, 855535, 962725, 1045175, 1309306, 1421438, 1711070, 1925450, 2090350, 2618612, 2842876, 2908819, 3273265, 3422140, 3553595, 3850900, 4180700, 4277675, 5817638, 6546530, 7107190, 8555350, 11635276, 13093060, 14214380, 14544095, 16366325, 16597379, 17110700, 17767975, 29088190, 32732650, 33194758, 35535950, 58176380, 65465300, 66389516, 71071900, 72720475, 82986895, 145440950, 165973790, 282155443, 290881900, 331947580, 414934475, 564310886, 829868950, 1128621772, 1410777215, 1659737900, 2821554430, 5643108860, 7053886075, 14107772150, 28215544300]

約数ペア:

[(1, 28215544300), (2, 14107772150), (4, 7053886075), (5, 5643108860), (10, 2821554430), (17, 1659737900), (20, 1410777215), (25, 1128621772), (34, 829868950), (50, 564310886), (68, 414934475), (85, 331947580), (97, 290881900), (100, 282155443), (170, 165973790), (194, 145440950), (340, 82986895), (388, 72720475), (397, 71071900), (425, 66389516), (431, 65465300), (485, 58176380), (794, 35535950), (850, 33194758), (862, 32732650), (970, 29088190), (1588, 17767975), (1649, 17110700), (1700, 16597379), (1724, 16366325), (1940, 14544095), (1985, 14214380), (2155, 13093060), (2425, 11635276), (3298, 8555350), (3970, 7107190), (4310, 6546530), (4850, 5817638), (6596, 4277675), (6749, 4180700), (7327, 3850900), (7940, 3553595), (8245, 3422140), (8620, 3273265), (9700, 2908819), (9925, 2842876), (10775, 2618612), (13498, 2090350), (14654, 1925450), (16490, 1711070), (19850, 1421438), (21550, 1309306), (26996, 1045175), (29308, 962725), (32980, 855535), (33745, 836140), (36635, 770180), (38509, 732700), (39700, 710719), (41225, 684428), (41807, 674900), (43100, 654653), (67490, 418070), (73270, 385090), (77018, 366350), (82450, 342214), (83614, 337450), (134980, 209035), (146540, 192545), (154036, 183175), (164900, 171107), (167228, 168725)]