201728761750

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{977}}^1\times {\mathrm{2557}}^1$

素因数の和:3587

約数の個数: 128

約数和(自身を含む): 421490459520

約数和(自身を除く): 219761697770

約数列:

[1, 2, 5, 10, 17, 19, 25, 34, 38, 50, 85, 95, 125, 170, 190, 250, 323, 425, 475, 646, 850, 950, 977, 1615, 1954, 2125, 2375, 2557, 3230, 4250, 4750, 4885, 5114, 8075, 9770, 12785, 16150, 16609, 18563, 24425, 25570, 33218, 37126, 40375, 43469, 48583, 48850, 63925, 80750, 83045, 86938, 92815, 97166, 122125, 127850, 166090, 185630, 217345, 242915, 244250, 315571, 319625, 415225, 434690, 464075, 485830, 631142, 639250, 825911, 830450, 928150, 1086725, 1214575, 1577855, 1651822, 2076125, 2173450, 2320375, 2429150, 2498189, 3155710, 4129555, 4152250, 4640750, 4996378, 5433625, 6072875, 7889275, 8259110, 10867250, 12145750, 12490945, 15778550, 20647775, 24981890, 39446375, 41295550, 42469213, 47465591, 62454725, 78892750, 84938426, 94931182, 103238875, 124909450, 206477750, 212346065, 237327955, 312273625, 424692130, 474655910, 624547250, 806915047, 1061730325, 1186639775, 1613830094, 2123460650, 2373279550, 4034575235, 5308651625, 5933198875, 8069150470, 10617303250, 11866397750, 20172876175, 40345752350, 100864380875, 201728761750]

約数ペア:

[(1, 201728761750), (2, 100864380875), (5, 40345752350), (10, 20172876175), (17, 11866397750), (19, 10617303250), (25, 8069150470), (34, 5933198875), (38, 5308651625), (50, 4034575235), (85, 2373279550), (95, 2123460650), (125, 1613830094), (170, 1186639775), (190, 1061730325), (250, 806915047), (323, 624547250), (425, 474655910), (475, 424692130), (646, 312273625), (850, 237327955), (950, 212346065), (977, 206477750), (1615, 124909450), (1954, 103238875), (2125, 94931182), (2375, 84938426), (2557, 78892750), (3230, 62454725), (4250, 47465591), (4750, 42469213), (4885, 41295550), (5114, 39446375), (8075, 24981890), (9770, 20647775), (12785, 15778550), (16150, 12490945), (16609, 12145750), (18563, 10867250), (24425, 8259110), (25570, 7889275), (33218, 6072875), (37126, 5433625), (40375, 4996378), (43469, 4640750), (48583, 4152250), (48850, 4129555), (63925, 3155710), (80750, 2498189), (83045, 2429150), (86938, 2320375), (92815, 2173450), (97166, 2076125), (122125, 1651822), (127850, 1577855), (166090, 1214575), (185630, 1086725), (217345, 928150), (242915, 830450), (244250, 825911), (315571, 639250), (319625, 631142), (415225, 485830), (434690, 464075)]