78285340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:204

約数の個数: 144

約数和(自身を含む): 209599488

約数和(自身を除く): 131314148

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 37, 49, 68, 70, 74, 85, 98, 119, 127, 140, 148, 170, 185, 196, 238, 245, 254, 259, 340, 370, 476, 490, 508, 518, 595, 629, 635, 740, 833, 889, 980, 1036, 1190, 1258, 1270, 1295, 1666, 1778, 1813, 2159, 2380, 2516, 2540, 2590, 3145, 3332, 3556, 3626, 4165, 4318, 4403, 4445, 4699, 5180, 6223, 6290, 7252, 8330, 8636, 8806, 8890, 9065, 9398, 10795, 12446, 12580, 15113, 16660, 17612, 17780, 18130, 18796, 21590, 22015, 23495, 24892, 30226, 30821, 31115, 32893, 36260, 43180, 44030, 46990, 60452, 61642, 62230, 65786, 75565, 79883, 88060, 93980, 105791, 123284, 124460, 131572, 151130, 154105, 159766, 164465, 211582, 230251, 302260, 308210, 319532, 328930, 399415, 423164, 460502, 528955, 559181, 616420, 657860, 798830, 921004, 1057910, 1118362, 1151255, 1597660, 2115820, 2236724, 2302510, 2795905, 3914267, 4605020, 5591810, 7828534, 11183620, 15657068, 19571335, 39142670, 78285340]

約数ペア:

[(1, 78285340), (2, 39142670), (4, 19571335), (5, 15657068), (7, 11183620), (10, 7828534), (14, 5591810), (17, 4605020), (20, 3914267), (28, 2795905), (34, 2302510), (35, 2236724), (37, 2115820), (49, 1597660), (68, 1151255), (70, 1118362), (74, 1057910), (85, 921004), (98, 798830), (119, 657860), (127, 616420), (140, 559181), (148, 528955), (170, 460502), (185, 423164), (196, 399415), (238, 328930), (245, 319532), (254, 308210), (259, 302260), (340, 230251), (370, 211582), (476, 164465), (490, 159766), (508, 154105), (518, 151130), (595, 131572), (629, 124460), (635, 123284), (740, 105791), (833, 93980), (889, 88060), (980, 79883), (1036, 75565), (1190, 65786), (1258, 62230), (1270, 61642), (1295, 60452), (1666, 46990), (1778, 44030), (1813, 43180), (2159, 36260), (2380, 32893), (2516, 31115), (2540, 30821), (2590, 30226), (3145, 24892), (3332, 23495), (3556, 22015), (3626, 21590), (4165, 18796), (4318, 18130), (4403, 17780), (4445, 17612), (4699, 16660), (5180, 15113), (6223, 12580), (6290, 12446), (7252, 10795), (8330, 9398), (8636, 9065), (8806, 8890)]